US And Canadian Fossil Sites -- Data for COLORADO

Version 2509 current as of SEP 2025.

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LocationCountyState/ProvinceDirections,NotesAgeFormationFossilsSite IDCommentsReferenceLat-Long|Spare1Spare2Spare3
Deer TrailArapahoe?COEPFort Unionvertebrates-reptilia-crocodilia-alligatoridae-BrachychampsaCO0239CAUTION:Collecting vertebrate material in the US requires landowner or government permission39.615,-104.0439,,AJk44|$*
Arboles(N3-PiedraRvr)ArchuletaCO3km N on E side of Piedra RiverEPAnimasvertebrates-mammals-eutheria-condylarthra-Periptychus,PhenacodusCO0001CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.0281,-107.4186,,AKm73|*$CO0212
Piedra RiverArchuletaCO13 km N of US160 on road along E side of riverinvertebrates-brachiopoda,echinoderms-crinoidsCO000337.4375,-107.1800,,AKm73?|$*
Piedra(N8-PiedraRvr)ArchuletaCO8km N in Piedra River Canyon S3?T35NR4W -107.2742, 37.3353 2.43km from Monument Park) mJWanakahvertebrates-fish-actinopterygii-Hulettia;osteichtyes-TodiltiaCO0002CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.3353,-107.2742,S3?T35NR4W,AKm73|$*
Cimmaron National Grasslands(Region)Baca?COAt Fullerton Gravel Pit. Unable to identify location. LatLon is trailhead for Picketwire Canyon TrailMIOgallalavertebrates-mammals(bones),reptilia-turtlesCO0254http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AGh15|$*
Cimmaron/Comanche National Grasslands(Region)BacaCOin conglomerate at top of formation. LatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas countiesJlEntradavertebrates(bones)CO0262http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AGl15|$*
Cimmaron/Comanche National Grasslands(Region)Baca?COIn calcerite layers at base. LatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas countiesKGreenhorninvertebrates(marine),vertebratesCO0256http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AGj15|$*
Cimmaron/Comanche National Grasslands(Region)Baca?COLatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas countiesJmBell Ranchmicrofossils-stromatolites;vertebrates(bones)CO0261http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AHj15|$*
Cimmaron/Comanche National Grasslands(Region)Baca?COLatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas countiesKGlencairn Shaleichnofossils,invertebrates(marine),vertebrates(marine)CO0259http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AHj15|$*
Cimmaron/Comanche National Grasslands(Region)Baca?COLatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas countiesKGranerosvertebrates(marine)CO0257http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AHj15|$*
Cimmaron/Comanche National Grasslands(Region)Baca?COLatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas counties-in lake depositsJMorrisoninvertebrates,plants,vertebrates-reptilia-dinosauria(bones)CO0260http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AHi15|*$CO0263
Comanche National Grasslands(Area)BacaCOIn canyon breaks near Oklahoma border. LatLon is Little Black Mesa. May or may not be in the right areaKDakotavertebrates(trackways)(abundant)(isolated)CO0267http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.0141,-102.9282,,AHj14?|$*
Comanche National Grasslands(CarrizoCyn?)BacaCOAt top of canyon exposures in Carrizo Unit LatLon is Carrizo CanyonKDakota Sandstonevertebrates(tracks)(isolated)CO0265http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.1121,-103.0183,,AHj14|$*
Comanche National Grasslands(EntradaFlats)BacaCOAt Entrada Flats in conglomerate. This appears to be a legitimate site, but there is no information as to where it is except that is is in the Comanche National GrasslandsJmEntradavertebrates-reptilia-crocodilia(scutes)(teeth),dinosauria(teeth)CO0266http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.1121,-103.0183,,AHj14|$*
Comanche National Grasslands(PictureCyn)BacaCOPicture Canyon near CO-OK border-- No collecting LatLon is picnic areaKDakotavertebrates-reptilia(tracks)CO0278http://www.wipsppc.com/field_trips-2009.php37.0123,-102.7446,,AHk53|$*
Comanche National Grasslands(Region)Baca?COIn calcareous layers at base of Greenhorn Limestone. LatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas countiesKGreenhornvertebrates-fish(15 species)-chondrichthyes-selachii(sharks)(22 species);;reptilia(6 species)CO0253http://www.scribd.com/doc/7057257/17Sealeyetal837.6591,-103.6063,,AHj15|$*
Pritchett(N)BacaCOto NorthKGraneros Shalevertebrates-reptilia-plesiosauria-ThalassomedonCO0004CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.3703,-102.8592,,AHm73?|$*
Bellvue(BoxelderCk)BoulderCOAt exit of Boxelder Creek from Foothillsinvertebrates-mollusks-bivalvia-OstreaCO0006Not sure the stream used here is Boxelder Creek40.6720,-105.1464,,AKm73?|$*
Bellvue(N4)BoulderCO4 km N sandstoneKDakotainvertebrates-mollusks-bivalvia-Avicula,Inoceramus,Ostrea;;;vertebrates-fish(scales)(vertebrae)CO000540.6537,-105.1726,,AKm73?|$*
Bellvue(OwlCyn)BoulderCOAt mouth of Owl Canyoninvertebrates-mollusks-bivalvia-Avicula,Inoceramus,OstreaCO000740.7764,-105.1419,,AKm73?|$*
BerthoudBoulderCOW in fold within first hogback in sandy shalesKinvertebrates-mollusks-bivalvia-Avicula,Inoceramus,OstreaCO000840.0284,-105.2976,,AKm73?|$*
BerthoudBoulderCOW just outside first hogback in shalesKBentoninvertebrates-mollusks-bivalvia-Avicula,Inoceramus,OstreaCO000940.0275,-105.2947,,AKm73?|$*
Boulder(E6-BaselineAve?)BoulderCO6 km E at 40th parallel (presumably on Baseline Ave)KFox HillsinvertebratesCO001240.00,-105.2137,,AKm73?|$*
Boulder(HaystackButte)BoulderCONE,on Haystack Butte and in fields to Winvertebrates-mollusksCO001540.1122,-105.2243,,AKm73?|$*CO0287
Boulder(HaystackMtn)BoulderCO4.8km E of US36 at Haystack Mountain. Closed to collectingKinvertebrates-mollusks-bivalvia,cephalopodaCO0287Colorado Rockhounding-Stephen M. Voynick40.1120,-105.2229,,Akm73?|*$CO0015
Boulder(MuseumOfNaturalHistory)BoulderCOUniversity of Colorado Museum of Natural History, Henderson Building, 15th and Broadway, Boulder, CO 80309. 303-492-6892 cumuseum@colorado.edu. General natural science museum with extensive exhibits and collections. See website for fees and parking optionsCO0332https://www.colorado.edu/cumuseum/40.0067,-105.2728,,AKm72|,
Boulder(N8?)BoulderCO5-10 km N below Hygiene SandstoneKinvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-Baculites;;;;vertebrates(bones)(uncommon)CO001140.0890,-105.2763,,AKm73?|*$CO0010
Boulder(N8?)BoulderCO5-10 km NKPierreinvertebrates-mollusks(shells)-cephalopoda;;plants(petrified wood),vertebrates-reptilia-dinosauria(bones),squamata-mosasauridae-MosasaurusCO001040.0890,-105.2763,,AKm73?|$*CO0011
Boulder(S6-BearCyn)BoulderCO6 km S just outside foothills at mouth of Bear Canyoninvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-BaculitesCO001339.9732,-105.2699,,ALo73|$*
Boulder(UnivHospital)BoulderCOat University Hospital E in brickyardinvertebrates-mollusks-bivalvia,cephalopoda;;plants(wood),vertebrates-fish(bones),reptilia-dinosauria(bones)CO0016Ransom,'Fossils in America'40.0137,-105.2434,,AMn83?|$*
Bulger(NE2)BoulderCO2 km NE in grayish calcareous Sandstoneinvertebrates-mollusks-bivalvia-Crenella;scaphopoda-Dentalium;;;plants-angiosperms-HalymenitesCO0019Ransom,'Fossils in America'40.0149,-105.2705,,AHh15?|$*
Bulger(S1)BoulderCO1 km Sinvertebrates-mollusks-bivalvia-Avicula,Pholadomya;cephalopoda-ammonoidea-Baculites,ScaphitesCO0018Ransom,'Fossils in America'39.9946,-105.2722,,ALm73?|$*
Cottonwood SpringBoulderCOat top of Cottonwood Draw - 24 km NNE of Orchardinvertebrates(diverse)-mollusks-bivalvia-Corbicula,Ostrea;gastropoda-Melania;;;plants-angiosperms-Halymenites;;vertebrates-reptilia(teeth)CO0020Ransom,'Fossils in America'40.477,-103.929,,AIk54?|$*
Fort Collins(FossilRidge)BoulderCOat Fossil Ridge-in concretionsinvertebrates(abundant)CO0022Ransom,'Fossils in America'40.5083,-105.0727,,AKm73?|$*CO0224
Fort Collins(N)BoulderCON and NW at lower boundary of Hygiene SandstoneKHygieneinvertebrates-mollusks-bivalvia-Avicula,Inoceramus,OstreaCO002140.6431,-105.1701,,AKm73?|$*
Greasewood Lake(S)BoulderCO3 km SE of Osgood S and SW of lakeKFox Hillsinvertebrates-mollusksCO0023Actually in Weld County?Ransom,'Fossils in America'40.4870,-104.2239,,AKm73|*$CO0025
Greeley(Area)BoulderCOIn area exposures:?CO002940.4232,-104.7086,,AJI14?|$*CO0027
Greeley(CowCreek)BoulderCOAt Cow Creekinvertebrates(diverse)CO002740.4233,-104.7086,,AKm73?|*$CO0029
Greeley(Fosston-E2)BoulderCO2 km E of Fosston on E side of Valley?CO002540.4914,-104.2181,,AKm73?|$*CO0023
Greeley(Fosston-N3)BoulderCO3 km N of Fosston at abandoned reservoir?CO002640.6016,-104.3669,,AIl73?|$*
Little Thompson CanyonBoulderCOat mouthKNiobrara Limestoneinvertebrates-mollusks-bivalvia-Inoceramus,Ostrea;;;plants-angiosperms-HalymenitesCO003340.2628,-105.1920,,AJj34|$*CO0031
Little Thompson Canyon(E)BoulderCOE of mouthKPierre Shaleinvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-BaculitesCO003140.2628,-105.1920,,AJj34|*$CO0033
Little Thompson Canyon(SSE7)BoulderCO7 km SSEKFox Hillsinvertebrates-mollusks-bivalvia-Sphaeriola;cephalopodaCO003040.4228,-105.2281,,AJj34|$*
Little Thompson Canyon(WSW-TepeeButtes)BoulderCOWSW in Tepee Buttes. This entry seems hopelessly confused. Tepee Buttes are associated with Cretaceous faulting and are found far to the SE, E of I25 between Colorado Springs and PuebloKPierreinvertebrates-bryozoa-Membranipora;mollusks-bivalvia-Avicula,Inoceramus,Lucina,Ostrea;cephalopoda-ammonoidea-Baculites,Scaphites;;gastropodaCO0032http://coloradoearthscience.blogspot.com/2011/12/tepee-buttes-late-cretaceous-submarine.html38.2487,-104.2560,location:Boone.CO,AIj34|$*
Longmont(E8)BoulderCO8 km EKPierreinvertebrates-mollusks-bivalvia-Callista,Cardium,Lucina,Mactra,Ostrea,Veniella;gastropoda-Cylichna,Melania;scaphopoda-Dentalium;;;vertebrates-reptilia(teeth)CO0036Ransom,'Fossils in America'40.1684,-105.0068,,AIm73?|$*
Longmont(ReservoirHill)BoulderCO400 meters E at Reservoir HillKPierreinvertebrates-mollusks-bivalvia-Callista,Cardium,Lucina,Mactra,Ostrea,Veniella;gastropoda-Cylichna,Melania;scaphopoda-Dentalium;;;vertebrates-reptilia(teeth)CO0035Ransom,'Fossils in America'40.1986,-105.1019,,AGl63?|$*
Longmont(S)BoulderCOSKDakotainvertebrates-mollusks-bivalvia-Inoceramus,Ostrea;;;vertebrates-fish(vertebrae),reptilia-plesiosauria(teeth)CO0037Ransom,'Fossils in America'40.1166,-105.0983,,AJm73?|$*
Longmont(SE3)BoulderCO3 km SEKPierreinvertebrates-mollusks-bivalvia-Crenella;cephalopodaCO0034Ransom,'Fossils in America'40.1426,-105.0738,,AKm73?|$*
Marshall(SW-CoalCk)BoulderCOSW along coal CreekKinvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-Baculites,Heteroceras,ScaphitesCO0038Ransom,'Fossils in America'39.8787,-105.2820,,AKm73?|$*
Osgood P.O.BoulderCO36 km ENE of Greeleyinvertebrates-mollusks-bivalvia-CorbulaCO0040Ransom,'Fossils in America'40.5253,-104.2465,,AIk74|$*
Osgood P.O.(E7)BoulderCO7 km Einvertebrates-mollusks-bivalvia-OstreaCO004140.5357,-104.1325,,AIk74|$*
Osgood P.O.(NE)BoulderCONE,in area exposuresinvertebrates-mollusks-bivalvia-OstreaCO0044Ransom,'Fossils in America'40.5983,-104.1737,,AIk73?|*$CO0039,CO0042
Osgood P.O.(NE10)BoulderCO10 km NEinvertebrates-mollusks-bivalvia-Corbicula;cephalopoda,gastropoda-Melania,PlanorbisCO0039Not clear exactly where the Osgood P.O. wasRansom,'Fossils in America'40.6202,-104.1641,,AIk33|*$CO0044
Osgood P.O.(NE7)BoulderCO7 km NE in coal outcrop at old stone corral 400 meters down gullyinvertebrates-mollusks-bivalvia-Anomia,Corbicula,Modiolus,Mytilus,OstreaCO0042Ransom,'Fossils in America'40.5983,-104.1737,,AIk73?|*$CO0044
Osgood P.O.(W7)BoulderCO7 km Winvertebrates-mollusks-bivalvia-Corbicula(abundant);cephalopodaCO0043Ransom,'Fossils in America'40.5336,-104.3468,,AIk73?|$*
Platteville(WNW8-Wildcat)BoulderCO8 km NNW at Wildcat Mound in gulliesKuMillikeninvertebrates-mollusks-bivalvia-Teredo(inwood);gastropoda;;vertebrates-fish(vertebrae),reptilia(teeth)CO0045Original said 'Millikan' formationRansom,'Fossils in America'40.2806,-104.8659,,AJm73?|$*
Valmont(NE)BoulderCOIn White Rock Bluff and NE along a fault lineKuMillikeninvertebrates-mollusks-bivalvia-Avicula,Nucula,Ostrea,Yoldia;gastropoda,scaphopoda-Dentalium;;;plants-angiosperms-Halymenites;;vertebrates-fish-chondrichthyes-selachii(sharks)(teeth);;reptilia(teeth)CO004640.0319,-105.2139,,AKn73?|$*
Wellington(E5)BoulderCO5 km E below Millikan Sandstoneinvertebrates-mollusks-bivalvia-VeniellaCO005340.7047,-104.9376,,AKm73?|$*
Wellington(E9)BoulderCO8 to 10 km Einvertebrates(abundant),vertebrates(teeth)CO005540.6969,-104.8866,,AJm73?|$*
Wellington(N5)BoulderCO5 km N and to west in road cuts and stream bedsKPierre Shaleinvertebrates-mollusks-bivalvia-Inoceramus,(others)CO005440.7552,-105.0051,,AKm73?|$*
Wellington(NE1)BoulderCO1 km NE in canal banksinvertebrates-mollusks-bivalvia-Yoldia;cephalopoda-ammonoidea-BaculitesCO004740.6670,-105.0411,,AKm73?|$*
Wellington(NE10)BoulderCO10 km NE in gulliesinvertebrates-mollusks-bivalvia-Avicula,Mactra,Veniella;scaphopoda-DentaliumCO004840.7782,-104.9381,,AIk73?|$*
Wellington(NNW-RoundButte)BoulderCO22 km NNW at Round Butte in bluffs in area-atop mesa,Tertiary age (petrified wood)Tplants(petrified wood)CO005240.8084,-104.8968,,AIm73?|*$CO0049,CO0050,CO0051
Wellington(NNW22-RoundButte)BoulderCO22 km NNW at Round Butte in bluffs in area-in chert floatM-CO005140.8084,-104.8968,,AIm73?|*$CO0049,CO0050,CO0052
Wellington(NNW22-RoundButte)BoulderCO22 km NNW at Round Butte in bluffs in area-in concretionsKHygiene sandstone-CO005040.8084,-104.8968,,AIm73?|*$CO0049,CO0051,CO0052
Wellington(NNW22=RoundButte)BoulderCO22 km NNW at Round Butte in bluffs at top of talus slopeinvertebrates(abundant),vertebrates-fish(scales)-chondrichthyes-selachii(sharks)(teeth);;reptilia(teeth)CO004940.8078,-104.8854,,AIk73?|*$CO0050,CO0051,CO0052
Monarch HillChaffeeCOIn LimestoneOinvertebrates-cnidaria-corals-rugosa-Diphyphyllum,Zaphrentis;tabulata-Halysites,Heliolites;;;mollusks-cephalopoda-orthocerida-Orthoceras;;;porifera-stromatoporoidea-StromatoporaCO005638.5122,-106.3312,,AJm73|$*CO0057
Monarch areaChaffeeCOIn two horizons one black Limestone and the other shale 1000 meters higherDOurayinvertebrates-brachiopoda-Athyris,Camarotoechia,Orthothetes,productida-Productella,Productus;spiriferida-Spirifer,Spiriferina;;bryozoa-fenestellida-Fenestella;;cnidaria-corals-tabulata-Syringopora;;;mollusks-cephalopoda-orthocerida-OrthocerasCO005738.5122,-106.3312,,AJm53|$*CO0056
Russell(NE2-SangreDEChristoCk)ChaffeeCO1.5 km NE W of old RR grade above Sangre de Christo Creek and along the axis of the synclineinvertebrates-brachiopoda-productida-Productus;spiriferida-Spirifer;;bryozoa-Rhombopora;mollusks-bivalvia-Aviculopecten;;;plants(wood)CO005837.5709,-105.2773,,AJm73?|$*
Sawatch Range(PitchPinnacle)ChaffeeCOat Pitch Pinnacle http://www.colorado.edu/GeolSci/Resources/WUSTectonics/CzPaleobotany/introduction.htmlOLplantsCO005938.8211,-106.3894,,AJm73|$*
Stearns GulchChaffeeCOon black calcareous shaleinvertebrates-brachiopoda-productida-Productus;spiriferida-Spirifer;;bryozoa-Rhombopora;mollusks-bivalvia-Aviculopecten;;;plants(wood)CO0060There is a Stearns Gulch in Costilla County37.5919,-105.2447,,AJk54?|$*
Trout Creek PassChaffeeCOOHardinginvertebrates-arthropoda-crustacea;brachiopoda-Lingula;conodonts,mollusks,porifera-hexactinellida-Dictyorhabdus;;;vertebrates-fish-agnatha-Astraspis;heterostraci-EriptychiusCO006138.9100,-105.9744,,AJm73|$*
NE Crowley County(TeepeeButtes)CrowleyCOTepee Buttes Fossiliferous limestonesKNiobrarainvertebrates-mollusks-bivalvia-Lucina;cephalopoda-ammonoidea-Baculites,ScaphitesCO006238.4518,-103.6122,,AJj14|$*
Cedaredge(NW5)DeltaCO4.8km NW near and in Green Valley MineKMesaverdevertebrates-reptilia-dinosauria(bones)CO006338.9414,-107.9714,,AJl73?|*$CO0064
Cedaredge(RedMtnCoalMine)DeltaCOFrom roof of Red Mountain Coal MineKMesaverdevertebrates-reptilia-dinosauria(tracks)CO006438.9017,-107.9258,,AJk33?|*$CO0063,CO0065
Cedaredge(WesternStarCoalMine)DeltaCOFrom roof of Western Star Coal MineKMesaverdevertebrates-reptilia-dinosauria(tracks)CO006538.9017,-107.9258,,AJk33?|*$CO0064
Delta Bridge(E6-WellsGulch)DeltaCO6 km E on N side of Wells GulchKDakotaplants(fragments)CO007038.7426,-107.9874,,AJm73|$*
Delta Bridge(NNW21)DeltaCO21 km N and 3 km W s10t13sr96w (PLSS -108.1084, 38.9264 at a distance of 1.228km from Porter Number 4 Dam)EWasatchinvertebrates-mollusks-bivalvia-Unio;;;vertebrates-mammals(vertebrae)CO0068Ransom,'Fossils in America'38.9264,-108.1084,s10t13sr96w,AJk73?|$*
Delta Bridge(W11)DeltaCO10.5 km W near top of Dakota Sandstone. Assume Delta Bridge= the US50 bridge at DeltaKDakotainvertebrates-mollusks-bivalvia-Inoceramus;cephalopodaCO006738.7568,-108.1769,,AJm73|$*
Delta Bridge(WNW5)DeltaCO5.4 km WNWKBenton,Niobrarainvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-Prionocyclus,ScaphitesCO006938.7851,-108.1178,,AKm73|$*
Delta Bridge(WSW6)DeltaCO8 km WSW near top of Dakota SandstoneKDakotaplants-(stems)(casts)CO007138.7268,-108.1604,,Ajm73|$*
Delta(Area)DeltaCOarea exposuresKinvertebrates-mollusksCO006638.7422,-108.0683,,AKm74?|$*
Dry Mesa(W32-SupersaurusSite)DeltaCOSupersaurus Site-32km W of Delta near the line between Mesa and Montrose Counties near the East Fork of Escalante Creek. Closed to collecting but sometimes open for viewing the site. Talk to the BLM district office in Grand Junction re visitsJMorrisonvertebrates-reptilia(abundant)CO0288over 10000 bones collectedColorado Rockhounding-Stephen M. Voynick38.6759,-108.2668,,AJm73|$*
Young Egg Locality(Delta-W24)DeltaCO24km W of Delta, 2km S of US50, NE of Junction of Wells Wash and Gunnison River. Black eggshell fragments weathering between two layers of sandstone. Research Natural Area. No collectingJMorrisonvertebrates-reptilia-(eggs)(shells)(abundant)CO0289Colorado Rockhounding-Stephen M. Voynick38.8015,-108.3106,,AJm72|$*
Denver Museum of Nature and ScienceDenverCOMuseum. 2100 Colorado Blvd. Open every day but Christmas-CO0325101 American Fossil Sites-Dickas39.7486,-104.9428,,AKm72|,
Denver(DenverMuseum)DenverCOThe Denver Museum of Nature + Science is a municipal natural history and science museum in Denver, Colorado. Address: 2001 Colorado Blvd, Denver, CO 80205. General science museum. Fossil exhibits. Admission Fee.CO0330https://www.dmns.org/39.7475,-104.9429,,Akm72|,
Denver(W-AlamedaPkwy)DenverCOAlong Alameda Parkway Rd W of Denver{7}vertebrates-reptilia-dinosauria(tracks)CO0073There is another segment of Alameda Parkway several km to the West on the W side of Dinosaur Ridge.39.6851,-105.1568,,AKm73?|$*
Denver(W16-GreenMtn)DenverCO16 km W and 1.2 km S on W slope of Green Mountain above practice fairwayKuDenverplants(leaves)CO007239.6900,-105.1823,,AJm73?|$*
Dinosaur Ridge (Dakota Hogback)DenverCOvertebrates-reptilia-dinosauria(tracks)CO0074www.dinoridge.org39.6816,-105.195,,AJn73|$*
Red RocksDenverCOE of Morrison Hogback S of Alameda Road in LimestoneKuTimpasinvertebrates-brachiopoda(abundant)CO007539.6662,-105.2018,,AKn73?|$*
Scotch CreekDoloresCO115 meters above base of Rico FormationRico(?)invertebrates-mollusks-bivalvia-MyalinaCO0076Unable to identify a 'Rico' formation in CO37.6536,-108.0444,,AKo73?|$*
Castle Rock(N-I25)DouglasCON near I25EPlplants(104 species)-(trees)CO007739.3741,-104.8648,,AKm73?|$*
Bond(CO131)EagleCORoad cut on U side of CO131 NW1/4SE1/4S16T2SR83W (PLSS -106.6873, 39.8744, (Center of section) ( 6323 ft ) at a distance of 1024 m (Actual loc is probably a few hundred meters N of Bond))PNMinturnvertebrates-fish-chondrichthyes-selachii-CtenacanthusCO007839.8744,-106.6873,NW1/4SE1/4S16T2SR83W,AJk33|$*
Colorado RiverEagleCOin massive gray LimestoneDChaffeeinvertebrates-brachiopoda(abundant)-Athyris,Camarotoechia,productida-Productella;Schizophoria,spiriferida-SpiriferCO007940.3667,-105.8539,,AJm73|$*
Eagle Bird Gulch(RedCliff)EagleCOat Red CliffCinvertebrates-brachiopoda-obolidae,WestoniaCO0080The original says 'Westoniaella',but there are no citations for that and there is a species 'ella' listed for genus 'Westonia'. I'm guessing that the space between genus and species was inadvertently dropped39.5122,-106.3675,location:Red Cliff.CO,AJk44|*$CO0081,CO0082
Eagle Bird Gulch(RedCliff)EagleCOat Red CliffD-MLeadvilleinvertebrates-brachiopoda-Chonetes,Crania,Schuchertella,spiriferida-Spirifer;;bryozoa-fenestellida-Fenestella;;cnidaria-corals-rugosa-Zaphrentis;;;echinoderms-crinoids(columnals);mollusks-bivalviaCO008139.5122,-106.3675,location:Red Cliff.CO,AJl44|*$CO0080,CO0082
Eagle Bird Gulch(RedCliff)EagleCOat Red CliffOinvertebrates-cnidaria-corals-rugosa(horn_corals)-ZaphrentisCO008239.5122,-106.3675,location:Red Cliff.CO,AJl73|*$CO0080,CO0081
McCoyEagleCOS31T1SR83W,S35-36T1SR84W,S6T2SR83W,S1-2T25R84W in fan delta deposits. Abundant invertebrates(marine) in the carbonatesPNMinturninvertebrates(114 species),plants(4 species),vertebrates(3 species)CO0308'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'39.9266,-106.7701,,AJl73|$*
McCoyEagleCOin stream gravelsMinturn-CO0251Paleolist-Sun, 18 Jan 2009 12:08:49 -070039.915,-106.725,,AJj14|$*
McCoy Post OfficeEagleCOPNlMcCoyinvertebrates(microfossils)-arthropoda-crustacea-ostracoda;;;protists-forams-fusulinidaCO0247http://links.jstor.org/sici?sici=0022-3360(193012)4:4%3C332:TFOTMF%3E2.0.CO;2-139.915,-106.725,,AJk34|$*
Ten Mile DistrictEagleCOPNWeberinvertebrates-brachiopoda,cnidaria-corals;echinoderms-crinoids(columnals)CO008339.5764,-106.1213,,AJk34|$*
Colorado Springs(RedRockCyn)El PasoCOIn old quarries in Red Rock Canyon Open Space. Turn S from US24 onto South Ridge Rd between 31st St and Manitou Springs Exit. Collecting prohibited. The quarries apparently are not identified on topo maps. LatLon might well be near trail headKDakota,Niobrarainvertebrates-mollusksCO0270http://www.wipsppc.com/field_trips-2009.php38.8538,-104.8794,,AKn72|$*
Corral BluffsEl PasoCODiverse small vertebrates in concretionsPLlplants,vertebrates-mammalia,reptiliaCO0322 https://www.cleveland19.com/2019/10/25/momentous-fossil-find-colorado-draws-world-recognition/38.8630,-104.5918,,AKm73|,
Stone Reservoir-Camp Rice(N2?)El PasoCO1.6km N at Gardner Ranch. Most likely this refers to the Cedar Mountain area in Dona Ana County, NMPE(Irvington)Camp Ricevertebrates-reptilia-turtles-GeocheloneCO0084http://nmgs.nmt.edu/publications/guidebooks/Abstract.cfm?ID=1791532.5697,-106.9564,location:Cedar Hill.NM,AIk14|$*
Williams Canyon(ManitouSpr)El PasoCOnear Manitou SpringsCuSawatchinvertebrates-arthropoda-trilobita(tracks)CO008538.8667,-104.9175,,AKm73?|$*
Arkansas RiverFremontCOLoc-41381OHardingvertebrates-fishCO0252http://www.npl.utexas.edu/vpl/databases/index.php38.4375,-105.2563,,ALm74|*$CO0089,CO0092,CO0093,CO0094
Canon CityFremontCONational Natural Landmark with interpretive displays. No collectingJMorrison?vertebrates-reptilia-dinosauria-Allosaurus,DiplodocusCO0323101 American Fossil Sites-Dickas38.5350,-105.2217,,AKm72|,
Canon CityFremontCOJMorrisonvertebrates-reptilia-crocodilia-Goniopholis;crocodylomorpha-Amphicotylus;dinosauria-Amphicoelias,Camarasaurus,ornithischia-ankylosauria-Stegosaurus;Brachyrophus,Dryosaurus,Hypsirophus,Symphyrophus,Tichosteus;saurisichia-Caulodon;theropoda-Allosaurus,Dryptosaurus,Epanterias;;turtles-GlyptopsCO008638.4000,-105.2167,,AKm73?|$*CO0090
Canon City(Area)FremontCOarea exposuresJMorrisonvertebrates-reptilia-dinosauriaCO0090Ransom,'Fossils in America'38.4000,-105.2167,,AJj33?|$*CO0086
Canon City(Area)FremontCOarea exposuresOuvertebrates-fish-agnatha(Ostracoderms)CO0091Ransom,'Fossils in America'38.4000,-105.2167,,AJj33?|*$CO0087,CO0088
Canon City(GardenPrk)FremontCOGarden Park area on W side of Oil CreekOFremontinvertebrates(abundant)-arthropoda-crustacea;cnidaria-corals;echinoderms-crinoids(columnals);mollusks,poriferaCO0087Ransom,'Fossils in America'38.4000,-105.2167,,AKm73?|*$CO0088,CO0091
Canon City(HardingQry)FremontCOA few (partially) articulated Ordovician fish have been reported in sandstones from the Harding Quarry and adjacent exposures. These are extremely uncommon. Articulated specimens are of scientific interest and should be left in place and reported to an appropriate museum or college. Tiny isolated platelets (scales) are more abundant. The exposures are strung out along a NS line just E of US50 about 1km N of the Arkansas River Collecting probably requires BLM permission.OmHarding Sandstoneinvertebrates-conodonts;vertebrata-Astraspis,Eriptychius,Arandaspis?CO0326https://www.jstor.org/stable/1304700?seq=138.4423,-105.2516,,AKm73?|,
Canon City(HardingsQry)FremontCOHarding's QuarryOFremontinvertebrates(abundant)-arthropoda-crustacea;brachiopoda,cnidaria-corals;echinoderms-crinoids(columnals);mollusks,porifera;vertebrates-fish(plates)CO0088Ransom,'Fossils in America'38.4000,-105.2167,,AKm73?|*$CO0087,CO0091
Canon City(PriestCyn)FremontCOIn Priest CanyonOmHardinginvertebrates-arthropoda-crustacea;brachiopoda-Lingula;conodonts,mollusks,porifera-hexactinellida-Dictyorhabdus;;;vertebrates-fish-agnatha-Astraspis;heterostraci-EriptychiusCO0089Ransom,'Fossils in America'38.4000,-105.2167,,AKm73?|*$CO0252
Canon City(RoyalGorgeDinosaurExperience)FremontCORoyal Gorge Dinosaur Expeience, Interactive museum for kids with a life-size dinosaur park, indoor displays, theater, rope course. 44895 W US Hwy 50, Canon City, CO 81212. (719) 275-2726CO0336https://dinoxp.com38.4970,-105.3257,,AKm72|,
Canyon CityFremontCOIn sandstonesOHardingvertebrates-fish(plates)-agnatha-AstraspisCO009238.4375,-105.2563,,AJm74|*$CO0093,CO0252
Canyon City?FremontCOOn N side of Arkansas River in shales on road above McCormick Brick YardOHardingvertebrates-fish(plates)-agnatha-Astraspis;heterostraci-EriptychiusCO009338.4372,-105.2619,,AKm73|*$CO0092,CO0252
Colorado State PenitentiaryFremontCOUS50 9 km W of penitentiary on US50. Roadcut exposing red to pink Ordovician Harding Limestone at West EndOHardingvertebrates-fish-agnatha(bones)-Astraspis;heterostraci-EriptychiusCO009438.4959,-105.2882,,AKm73|*$CO0252
Garden ParkFremontCOJMorrisonvertebrates-reptilia-dinosauria(bones)-ornithischia-TichosteusCO009538.6428,-105.2150,,AJm73?|*$CO0096,CO0274,CO0290
Garden Park(N)FremontCON of Canyon City accessible via winding roads in 19th century and recent dinosaur quarries. No Collecting. LatLon is main office of U of Kansas Geology Field CampJ?Morrison?vertebrates-reptilia-dinosauria(bones)CO0274http://www.wipsppc.com/field_trips-2009.php38.6428,-105.2150,,AJm73|*$CO0095,CO0096,CO0290
Garden Park(N12-CO9)FremontCOMajor dinosaur site: 12.4km N of Canon City on Co Rd 9. Research Natural Area No CollectingJMorrisoninvertebrates-arthropoda-crustacea-ostracoda;;mollusks;vertebrates-fish-osteichtyes-Todiltia;;mammals,reptilia(silicified bones)-dinosauria,turtlesCO0290'Colorado Rockhounding-Stephen M. Voynick','Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'38.5409,-105.2157,,AJm72|*$CO0095,CO0274
Garden Park(N9)FremontCO9.8km N on Shelf Road,park at turnouts. Protected site-presumably collecting is prohibitedK?vertebrates-reptilia-dinosauria(bones)(eggs)(tracks)CO0096http://www.recreation.gov/detail.cfm?ID=116338.5733,-105.2247,,AJm73?|*$CO0095,CO0274
Gribbles CreekFremontCOOften waterworn fossilsDuChaffeevertebrates-fish(plates)(teeth)CO0280http://www.jstor.org/pss/129842938.66,-105.76,T51NR11ENM,AJm73|$*
Indian SpringsFremontCOT15S, R69W Eight miles north of Florence and west of Lower Phantom Canyon. Private Property. Research Natural Area, No CollectingOHardingichnofossils(diverse),invertebrates-arthropoda-crustacea-ostracoda;merostomata,trilobitaCO0292'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'38.4970,-105.1244,T15SR69W,AKm73?|$*
Spring Gulch(Salida-E8)FremontCOT49N, R9E S of US50 about 8km E of Salida, CODPartingvertebrates-fish(disarticulated)-crossopterygii-Holoptychus;placodermi-antiarcha-BothriolepisCO0293'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'38.4919,-105.9239,T49NR9E,AKm73|$*
Twin MountainFremontCO T18S, R71W, S11,12 3km N of US50 about 10km W of Canon City, COOHarding,Fremontinvertebrates-cnidaria-corals-rugosa(horn_corals);;mollusks-cephalopoda-orthocerida-Orthoceras;;gastropoda;;vertebrates-fish(disarticulated)-agnatha-Astraspis;heterostraci-EriptychiusCO0294'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'38.5210,-105.3078,,AKm73|$*
-GarfieldCOProbably in Douglas Pass areaEGreen Riververtebrates-aves(birds)(feathers)(tracks)CO010539.6387,-108.7627,,AIj24|*$CO0098,CO0099,CO0100,CO0296
Colorado RiverGarfieldCOIn massive gray LimestoneDChaffeeinvertebrates-brachiopoda(abundant)-Athyris,Camarotoechia,productida-Productella;Schizophoria,spiriferida-SpiriferCO009739.5888,-107.3969,,AJj14|$*CO0102
Douglas PassGarfieldCOLeaves and insect fossils in shale in road cuts and construction debris at FAA radar site. Take maintained dirt road East from CO139 at Douglas Pass highway department garage and travel North staying left at road forks. Site is about 6.4km from leaving pavement of CO139EGreen Riverinvertebrates-insecta;plantsCO0338https://nautiloid.net/fossils/sites/douglas_pass/douglas_pass.html39.6378,-108.7615,,AKm73?|,
Douglas PassGarfieldCOin oil shaleTinvertebrates-arthropoda-insecta;;plants(abundant)CO009939.6387,-108.7627,,GIm71|*$CO0098,CO0100,CO0105,CO0296
Douglas Pass(FAAsite)GarfieldCOAt FAA radar site parking lot and nearby locations in 'Mahogany Ledge' of Parachute Creek memberEGreen Riverinvertebrates-arthropoda-insecta;;plants(leaves)(abundant)CO0098From Public Works garage at the pass, take road (CO256?) on right 4.1km take left fork, 4.1km take left fork 700m to parking lotRockhounding Colorado, By Cora Kappele, William A. Kappele p3839.6387,-108.7627,,GIm71|*$CO0099,CO0100,CO0105,CO0296
Douglas Pass-Rio BlancoGarfieldCOParachute Creek memberEGreen Riverinvertebrates-arthropoda-insecta(abundant);;vertebrates(diverse)(sparse)CO0100CAUTION:Collecting vertebrate material in the US requires landowner or government permission39.6387,-108.7627,,GIm71|*$CO0098,CO0099,CO0105,CO0296
Flat TopsGarfieldCOExit I-70W at Dotsero. R at stop sign. Cross bridge. R onto Eagle Cy 301N. 2km to Deep Creek Rd(FR 600). Right and climb above 10500ft. Good Luck on finding this one unless the road markings in the back country are exceptionally good. Take maps, emergency supplies, and leave a trail of breadcrumbs. LatLon is arbitrary location in Flat Tops WildernessDDyerinvertebrates-brachiopoda,bryozoa,cnidaria-corals;mollusks-cephalopoda,gastropodaCO0273http://www.wipsppc.com/field_trips-2009.php39.9367,-107.1789,,AIi15|$*
French CreekGarfieldCOJust W of Detsero in brown cliffs on N side of highway. Access poor since I-70 replaced US6 and parking no longer allowed. May be a pullout for Westbound trafficOinvertebrates-arthropoda-trilobita;brachiopoda,mollusks-gastropodaCO0291Colorado Rockhounding-Stephen M. Voynick39.6079,-107.1561,,AKm72|$*
Glenwood CanyonGarfieldCOThe at either end of the canyon as the layers bow down to the river level. These layers form cliffs and sloping hills. They are the remnants of shallow seasCuDotseroinvertebrates-mollusks-bivalvia-(mussels);cephalopoda,gastropodaCO010139.5500,-107.3197,,AJk34|*$CO0102,CO0103
Glenwood CanyonGarfieldCOThe at either end of the canyon as the layers bow down to the river level. These layers form cliffs and sloping hills. They are the remnants of shallow seasDChaffeeinvertebrates-mollusks-bivalvia-(mussels);cephalopoda,gastropodaCO0102LatLon is west end of the canyon. East end is about 12.5km E39.5500,-107.3197,,AJk34|*$CO0097,CO0101,CO0103
Glenwood CanyonGarfieldCOThe at either end of the canyon as the layers bow down to the river level. These layers form cliffs and sloping hills. They are the remnants of shallow seasOlManitouinvertebrates-mollusks-bivalvia-(mussels);cephalopoda,gastropodaCO0103LatLon is west end of the canyon. East end is about 12.5km E39.5500,-107.3197,,AJk34|*$CO0101,CO0102
Loma(CO130)GarfieldCO32 km N (19.6km S of Douglas Pass) in clinker bed on W side of CO 139.KMesaverdeplantsCO0297Colorado Rockhounding-Stephen M. Voynick39.4242,-108.7933,,Ajm73|$*
Mack(NW16-WestSaltCk-CR201)GarfieldCO16 km NW on county road 201 (N to S Road,W to 4Rd ang continue onto CR201) along West Salt Creek. Collection area is along next 24km of CR201plants(petrified wood)CO0299Colorado Rockhounding-Stephen M. Voynick39.3293,-108.9765,,AJm73|$*
ParachuteGarfieldCObeds are exposed high up in area cliffsEGreen RiverplantsCO010439.5747,-108.1103,,AJj13?|$*
Roan CreekGarfield?CO(?)EGreen Riverplants?,vertebrates-aves(birds)(feathers)-DiatrymaCO0240Original says 'Ute Trailhead' The Ute Trail appears to be near Colorado Springs -- too far SE for Green River? This probably refers to an exposure near the head of Roan Creekhttps://en.wikipedia.org/wiki/Gastornis39.5168,-108.4646,location:Roan Creek.CO,AIm54?|$*
Haystack Mountain(NNW3-ArapahoCk)GilpinCO3 km NNW in fork of Arapaho Creekinvertebrates-mollusks-bivalvia-Corbula(fragments);cephalopoda-ammonoidea-Goniatites;;;;vertebrates-fish(scales)CO0106Ransom,'Fossils in America'37.2361,-107.2462,,AIm73?|$*
KremmlingGrandCOIn cliff in back of townKPierreinvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-BaculitesCO0108Ransom,'Fossils in America'40.0667,-106.3860,,AKn73|*$CO0107,CO0109
KremmlingGrandCOT3N, R80W Large ammonites in concretions. Research Natural Area, No Collecting. Near Wolford Reservoir? (PLSS lat lon is about 8km NE of the reservoir).KPierreinvertebrates(100 taxa)-arthropoda-crustacea-decapoda-brachyura-(crabs),(lobsters);;;;brachiopoda,mollusks-bivalvia,cephalopoda-ammonoidea-Placenticeras;nautilidae;gastropoda;;plants,vertebrates(marine)CO0301'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'40.2138,-106.3620,,AJm73?|$*
Kremmling(Area)GrandCOarea Limestone exposuresinvertebrates-mollusks-bivalvia-InoceramusCO0109Ransom,'Fossils in America'40.0602,-106.3889,,AJm43?|*$CO0107,CO0108,CO0271,CO0272
Kremmling(MuddyButte)GrandCO2 km E of Muddy Creek at base of Muddy Butteinvertebrates-mollusks-bivalvia-Inoceramus,OstreaCO0107Ransom,'Fossils in America'40.0687,-106.3736,,AKm73?|*$CO0108,CO0109
Kremmling(NW)GrandCONW in protected area on BLM land--no collectingKPierreinvertebrates-mollusks-cephalopoda-ammonoidea(large)-PlacenticerasCO0271Placenticeras origially Planticerashttp://www.wipsppc.com/field_trips-2009.php40.0706,-106.4028,,AKn73?|*$CO0109,CO0272
Kremmling(NW)GrandCONW outside protected area on BLM land. LatLon is KemmlingKPierreinvertebrates-mollusksCO0272http://www.wipsppc.com/field_trips-2009.php40.0706,-106.4028,,AKn73?|*$CO0109,CO0271
Middle ParkGrandCOJMorrisonvertebrates-reptilia-dinosauria-theropoda-PoekilopleuronCO011040.3413,-105.8553,,AJj44?|$*
Whiteley Peak(MuddyCk)GrandCOalong valley of Muddy Creek in concretions in black shaleKPierreinvertebrates-cnidaria-corals-tabulata-Chaetetes;;;mollusks-bivalvia-Avicula,Crenella,Inoceramus,Nucula,Ostrea;cephalopoda-ammonoidea-Baculites,Heteroceras,Scaphites;;;;worms-annelida-SerpulaCO011340.3044,-106.5020,,AJm73?|$*
Whiteley Peak(N)GrandCON in bluff in white SandstoneT-Qplants-algae,angiosperms-Halymenites(leaves),Platanus(sycamore)CO011140.3250,-106.4915,,AIm73?|$*
Whiteley Peak(S+SE)GrandCOS and Se in concretions in black shaleKPierreinvertebrates-cnidaria-corals-tabulata-Chaetetes;;;mollusks-bivalvia-Avicula,Crenella,Inoceramus,Nucula,Ostrea;cephalopoda-ammonoidea-Baculites,Heteroceras,Scaphites;;;;worms-annelida-SerpulaCO011240.3115,-106.4795,,AIm73?|$*
Wolford MountainGrandCOT2N, R80W, S30 Near Wolford Reservoir?KPierreinvertebrates(marine)CO0302'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'40.1164,-106.3921,,AJm73|$*
Boulder Lake(FossilRidge)GunnisonCOin cirque at the end of Fossil Ridge,Often waterworn fossilsDuChaffeevertebrates-fish(plates)(teeth)CO0281http://www.jstor.org/pss/129842938.691,-106.612,S11T51NR3ENM,AJm73|*$CO0116
Cross Mountain(Eside)GunnisonCOEast side,Often waterworn fossilsDuChaffeevertebrates-fish(plates)(teeth)CO0282http://www.jstor.org/pss/129842938.733, -106.690,S20T15SR83W6P,AIm73|$*
Deadmans CreekGunnisonCOOften waterworn fossilsDuChaffeevertebrates-fish(plates)(teeth)CO0283http://www.jstor.org/pss/129842938.836, -106.745,S14T14SR84W6P,AJm73|$*
Deadmans CreekGunnisonCOS14tsr84w in exposures along creek (Bad PLSS Loc -- no township) Lat Long is an arbitrary location near the mouth of Deadman GulchOFremont Limestoneinvertebrates-cnidaria-corals-tabulata-(chain_corals);;;echinoderms-crinoids(columnals);(shells);plants-algae-ReceptaculitesCO011538.8206,-106.7438,S14t14?sr84w?,AIm73|$*
Fossil MountainGunnisonCOFossiliferous limestone ridge. Fossil Ridge Wilderness AreaLeadville-CO031338.4015,-106.3622,,AJm73|$*CO0315
Fossil RidgeGunnisonCOOutcrops of Parting Formation of the Chaffee GroupDuPartingvertebrates-fish-arthrodira-Aspidichthys,Dinichthys;chondrichthyes-elasmobranchii,selachii-Ctenacanthus,holocephali-Sandalodus;;;placodermi-antiarcha-Bothriolepis;;sarcopterygii-dipnoi-coelacanthiformes-Gyroptychius,Litoptychius;Conchodus,Dipterus,Soederberghia;Onychodontia,porolepiformes-HoloptychiusCO0284http://www.pnas.org/content/suppl/2010/05/05/0914000107.DCSupplemental/sapp.pdf38.6487,-106.6671,,AIm73|$*CO0116
Fossil RidgeGunnisonCO-CO0316https://geonames.usgs.gov/apex/38.6632,-106.6208,,AKm73|$*CO0314
Fossil Ridge TrailGunnisonCOIn limestone ridgeJ-K(marine fossils)CO0315http://sangres.com/colorado/wilderness/fossilridgewilderness.htm38.3812,-106.3947,,AJm73|$*CO0313
Ohio City(FossilRidge)GunnisonCOat Fossil Ridgeinvertebrates-brachiopoda,mollusks-cephalopodaCO011638.6487,-106.6671,,AIm73|*$CO0281,CO0284
Square Top MtnGunnisonCOFossil Ridge Wilderness AreaPNMinturn,Maroon-CO0314http://www.summitpost.org/square-top-mountain-fossil-ridge-wild/15444238.6794,-106.6111,,AJm73|*$CO0316
Apodaca GulchHuerfanoCOMay be multiple localities --Apodock Gulch/Apocacha Gulch - Huerfano VIIEHuerfanovertebrates-mammals-artiodactyla-Hapalodectes;carnivora-Viverravus;(Lovenia),perissodactyla-brontotheriidae-Eotitanops;;rodentia-ParamysCO0117CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://www.archive.org/stream/bulletin21peab/bulletin21peab_djv37.7569,-105.1292,,AIj34|*$CO0118
Apodacha GulchHuerfanoCOMay be multiple localities --Apodock Gulch/Apodaca Gulch - Huerfano VIEHuerfanovertebrates-mammals-artiodactyla-Bunophorus;creodonta-Hyopsodus,Oxyaena;eutheria-Esthonyx;marsupialia-Alphadon;perissodactyla-brontotheriidae-Lambdotherium;Hyracotherium;primates-MicrosyopsCO0118CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://www.archive.org/stream/bulletin21peab/bulletin21peab_djv37.7569,-105.1292,,AIj34|$*CO0117
Archuleta DrawHuerfanoCONear Gardner-Huerfano IXEHuerfanovertebrates-mammals-eutheria-cimolesta-Coryphodon;condylarthra-Phenacodus;;perissodactyla-Hyracotherium;;reptilia-squamataCO0119CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7364,-105.1029,,AJj34|$*
Gardner Butte(E3)HuerfanoCO3.1km EEHuerfanovertebrates-mammals-creodonta-Hyopsodus;perissodactyla-brontotheriidae-Lambdotherium;Hyracotherium;rodentia-Reithroparamys;;reptilia-squamata-serpentes-CheilophisCO0131CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7822,-105.1069,,AJj73|$*
Gardner(CCCDraw)HuerfanoCOAt C.C.C. DrawEHuerfanovertebrates-reptilia-crocodilia,squamataCO0127CCC Draw is probably the gulch W of County Rd 634 N of CO69 W of Gardner. CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.8262,-105.2013,,AJj73?|$*
Gardner(CostilloPkt)HuerfanoCOAt Costillo Pocket--Huerfano VIIIEHuerfanovertebrates-mammals-artiodactyla-Diacodexis;creodonta-Ambloctonus;eutheria-Leptotomus;perissodactyla-brontotheriidae-Lambdotherium;Hyracotherium;primates-Microsyops;rodentia-Knightomys,Paramys;;reptilia-squamata-lacertilia-Saniwa;Proglyptosaurus;turtles-EchmatemysCO0128Costillo Pocket is roughly 1.6km SW of CO69 on ridge on W side of Oak Creek. CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7456,-105.1124,,AJj73?|$*
Gardner(E3)HuerfanoCO3.2 km EEHuerfanovertebrates-reptilia-squamata-lacertilia-SaniwaCO0121http://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7773,-105.1347,,AJj53?|$*CO0150
Gardner(E3)HuerfanoCO3.2km EEHuerfanovertebrates-reptilia-crocodilia-AllognathosuchusCO0150CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.7779,-105.1358,,AJj73?|$*CO0121
Gardner(E3-BohannonCyn)HuerfanoCO3.2 km NE at Bohannan CanyonEHuerfanovertebrates-reptilia-squamataCO0122CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.8027,-105.1350,,AJj53?|$*
Gardner(GarciaCyn)HuerfanoCOAt Garcia CanyonEHuerfanovertebrates-mammals-carnivora-Miacis;creodonta-Hyopsodus,Prolimnocyon;eutheria-condylarthra-Phenacodus;;primates-Microsyops;;reptilia-crocodilia-Allognathosuchus;squamata-lacertilia-ParaglyptosaurusCO0129Not entirely clear where Garcia Canyon is. CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7668,-105.1503,,AJj73?|$*
Gardner(MuddyDivide)HuerfanoCO3.1-4.6km N and or W at Muddy Divide,Huerfano-IEHuerfanovertebrates-mammals-carnivora-Viverravus;rodentia-Paramys;;reptilia-crocodilia-Allognathosuchus;squamata-lacertilia-Saniwa;;turtles-Hadrianus?CO0120CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.8099,-105.1686,,Aij53?|*$CO0123,CO0124
Gardner(N3)HuerfanoCO3.2km NEHuerfanovertebrates-reptilia-squamata-lacertilia-Paraglyptosaurus;serpentes-Cheilophis;;turtles-Echmatemys?CO0123CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.8126,-105.1637,,AJj53?|*$CO0120,CO0124
Gardner(N3-FossilCk)HuerfanoCO3.2km N at Fossil CreekEHuerfanovertebrates-aves(birds)(bones),reptilia-crocodilia,squamata-lacertilia-Odaxosaurus,Paraglyptosaurus,Xestops;;turtles-HadrianusCO0124CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.8126,-105.1637,,AJj53?|*$CO0120,CO0123
Gardner(N5)HuerfanoCO4.6km NEHuerfanovertebrates-reptilia-crocodiliaCO0125CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.8195,-105.1719,,AIj73?|$*
Gardner(NE5)HuerfanoCO4.6km NEEHuerfanovertebrates-reptilia-crocodiliaCO0126CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.8122,-105.1280,,AIj53?|$*
Gardner(WilliamsCk)HuerfanoCOAt Williams CreekEHuerfanovertebrates-mammals-artiodactyla-Bunophorus;carnivora-Viverravus;creodonta-Hyopsodus;eutheria-cimolesta-Trogosus;;perissodactyla-brontotheriidae-Mesatirhinus;;;reptilia-squamata-lacertilia-XestopsCO0130Williams Creek is NS flowing creek just W of Gardner Butte. CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7927,-105.1489,,AJj73?|$*
Manuel DrawHuerfanoCOHuerfano VIIEHuerfanovertebrates-mammals-carnivora-Viverravus;creodonta-Hyopsodus;primates-LoveinaCO0132CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7414,-105.1199,,AJj74|$*
Oak Creek(N5)HuerfanoCO4.6km NEHuerfanovertebrates-reptilia-crocodiliaCO0133CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.7183,-105.0533,,AJj74|$*
Promontory Bluff(N11-BlackMtn)HuerfanoCO11-12km NW of Gardner = Black MountainEHuerfanovertebrates-reptilia-squamata-lacertilia-Paraglyptosaurus;;turtles-HadrianusCO0134CAUTION:Collecting vertebrate material in the US requires landowner or government permissionhttp://peabody.yale.edu/sites/default/files/documents/scientific-publications/ypmB21_1966.pdf37.8415,-105.2573,,AJk54|$*
Walsenburg(W)HuerfanoCOAlong CO160 between Walsenburg and Ft Garland in shalesD?Madera_NMinvertebrates-brachiopoda-MucrospiriferCO013537.5903,-105.2545,,AIj24?|$*
Muddy PassJacksonCO2 km S of Kremmling-Steamboat roadKNiobrarainvertebrates-mollusks-bivalvia-OstreaCO013639.7672,-106.6047,,AJk73?|$*
Rabbit Ears(NE)JacksonCONE,in coal mineEWasatch?invertebrates-mollusks-gastropoda(non_marine)-ViviparusCO013740.2628,-106.3178,,AJm73?|$*
Steamboat SpringsJacksonCOKMancos Shalevertebrates-fish(scales)CO013840.4886,-106.8492,,AJj43?|$*
-(WestGrizzly)Jackson|GrandCOE on N side of the West Grizzlyinvertebrates-mollusks-cephalopoda-ammonoidea-BaculitesCO0139Ransom,'Fossils in America'39.0531,-106.5976,,AJj34?|$*
Front Range(E)Jackson|RouttCOto E of range in Limestone and shale outcropsKBentoninvertebrates-mollusks-bivalvia-Inoceramus,Ostrea;cephalopoda-ammonoidea-Baculites,ScaphitesCO0114Ransom,'Fossils in America'40.5702,-106.6223,,AJk35?|$*
Park Range(W)Jackson|RouttCOW-Park RangeJinvertebrates-mollusks-bivalvia-Pseudomontis;cephalopoda-belemnoideaCO0241Ransom,'Fossils in America'40.6832,-106.6838,,AJj24|$*
Bear Mountain(RabbitEars)JeffersonCOIn Rabbit Ears region in shale overlying igneous sheetinvertebrates-mollusks-bivalvia-InoceramusCO0140Ransom,'Fossils in America'37.1789,-106.8569,,AJk43?|$*
GoldenJeffersonCOAt a local golf courseKvertebrates-mammals(tracks)CO014139.7383,-105.2167,,AJn83?|$*
GoldenJeffersonCONear Fossil Trace Golf Club--Area exposuresK?invertebrates-mollusks-cephalopoda-ammonoidea-BaculitesCO0319https://www.cityofgolden.net/23586-2/39.4419,-105.1233,,AKm73|$*
Golden(DinosaurRdg)JeffersonCODinosaur Ridge Trail a.k.a. Dakota Ridge Trail. A 3km stretch of West Alameda Parkway with dinosaur tracks and bones exposed. Interpretive signage. Closed to motorized traffic. No collectingKuDakotaichnofossils-vertebrates-reptilia;;vertebrates-reptilia,Stegosaurus(others)CO0328https://dinoridge.org/explore-dinosaur-ridge/dinosaur-ridge-trail/39.6970,-105.2035,,AKm72|,
Golden(MinesMuseum)JeffersonCOColorado School of Mines Museum. Address: 1310 Maple St, Golden, CO 80401, (303) 273-3815. Extensive collections of minerals and fossils. Free admission. Exhibits. Fossil trailCO0337https://www.mines.edu39.7519,-105.2248,,AKm71|,
Golden(TriceratopsTrl)JeffersonCOTriceratops Trail--plant fossils, vertebrate tracks on 2km interpretive trail starting one block E of corner of 19th St and 6th Avenue. No collecting. Trailhead is E of 6th Ave Northbound and is reported to be hard to findKuichnofossils-invertebrates,plants-angiosperms-arecales(palms);;vertebratesCO0327https://dinoridge.org/explore-dinosaur-ridge/triceratops-trail/39.7431,-105.2212,,AKm71|,
Morrison(DinosaurRidge)JeffersonCO16831 W Alameda Pkwy. Morrison, CO 80465. (720)-407-8280, museum, dinosaur bone site, dinosaur trackway site. The trackway and bones (No collecting) are a moderate walk East of the museumichnofossils,vertebrates-reptiliaCO033539.6801,-105.1985,,AKm72|,
Morrison(I70)JeffersonCOBoth sides of a large roadcut through the Dakota Hogback on I70 just E of the Morrison exit expose a section through Cretaceous and Jurassic sediments, some with fossils. There are reportedly walkways on both sides of the cut with interpretive signs explaining the geology. But they are reported to be in poor repair and the signs have reportedly been vandalized.K,JMorrison,Dakota,(others)?CO0329https://robertjprince.net/2021/05/31/the-cut-in-i-70-at-morrison-the-geology-of-colorados-dakota-hogback/39.7028,-105.2020,,AKm72|,
Morrison(MorrisonNatHistMuseum)JeffersonCOThe Morrison Natural History Museum is a small natural history museum located in Morrison, Colorado. local dinosaur fossils exhibits. Address: 501 CO-8, POBox 564, Morrison, CO 80465 (303) 697-1873CO0334http://www.mnhm.org39.6490,-105.1942,,AKm72|,
Morrison(SodaLakes)JeffersonCOat Soda Lakes in limestoneinvertebrates-mollusks-bivalviaCO014239.6433,-105.1772,,AMm73?|$*
Waterton(RobertsonBrick+Tile)JeffersonCOAt underground clay mines of Robinson Brick and TileKLaramie,Bentoninvertebrates-brachiopodaCO014339.4936,-105.0881,,AJM73|$*
Durango(Area)La PlataCOIn area exposuresKMancosinvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-Baculites,Exiteloceras;;gastropodaCO014437.2753,-107.8783,,AJm53?|$*
Durango(E-FloridaRd)La PlataCOto E along Florida Road in cutsKMancosinvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoidea-Baculites,Exiteloceras;;gastropodaCO014537.3061,-107.8241,,AKk53?|$*
Ignacio(MasonPkt)La PlataCOAt Mason Pocket Quarry and nearby localitiesEPAnimasvertebrates-aves-Ogygoptynx;mammals-eutheria-cimolesta-Platymastus;condylarthra-Chriacus,Periptychus,Phenacodus,Thryptacodon;,;insectivora-Apatemys,Leptacodon;leptictida-Xenacodon;marsupialia-marsupicarnivora,Peradectes;mesonychia-Dissacus;multituberculata-Ectypodus;primates-Carpodaptes,Ignacius,Labidolemur,Nannodectes,Phenacolemur,Zanycteris;;reptilia-dinosauria-hadrosauroidea-Navajovius;;turtles-CompsemysCO0146CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.090,-107.5173,S20T33NR6W,AJm73?|*$CO0148,CO0213
Ignacio(MesaMtn-Eside)La PlataCOAt base of Mesa Mountain on E slopeEPAnimasvertebrates-mammals-eutheria-condylarthra-Arctocyon;;pantodonta-Ignatiolambda;primates-Nannodectes;;reptilia-crocodiliaCO0147CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.07812,-107.7650,,AJm73?|$*
Mason PocketLa PlataCOSomewhere North of Tiffany,CO?EPAnimasvertebrates-mammalsCO014837.090,-107.5173,S20T33NR6W,AJm73?|*$CO0146,CO0213
Fort Collins(FossilCreek)LarimerCOProbably Cretaceous and very likely closed to collecting-CO0317https://geonames.usgs.gov/apex/40.2844,-105.2847,,AJm74?|$*
Fort Collins(SpringCynDam)LarimerCOon S side of Spring Canyon Dam in Horsetooth reservoir banks. Original entry was for BoulderKDakotaichnofossils,invertebratesCO001740.5296,-105.1393,,AJm73?|$*CO0149
Fossil Ridge-Fort CollinsLarimerCOinvertebrates-mollusks-bivalvia-Pinna?CO0224Originally entered as Greeley, Weld County40.5112,-105.0737,location:Windsor.CO,ALm73?|$*CO0022
Spring Canyon DamLarimerCOat S end of Horsetooth ReservoirKinvertebrates-mollusks-bivalvia-Inoceramus,Ostrea,(others)CO014940.5297,-105.1403,,AKm73|$*CO0017
Comanche National Grasslands(TobeLoc)Las AnimasCOAt 'Tobe Locality' on a small ridge in exposures of basal chalky limestoneKGreenhorninvertebrates(abundant)(diverse),vertebrates-fish(teeth)-chondrichthyes-selachii(sharks)(teeth);;reptilia(teeth)CO0279http://findarticles.com/p/articles/mi_qa3790/is_200603/ai_n17180095/pg_41/?tag=content;col137.22,-103.61,,AJj34?|$*
Comanche National GrasslandsN-AlkaliArroyo)Las AnimasCON on Alakli ArroyoKJuana Lopez,Niobrarainvertebrates-mollusks-bivalvia-hippuritoida(rudists);;;vertebrates-fish-chondrichthyes-selachii(sharks)(teeth)CO0276http://www.wipsppc.com/field_trips-2009.php37.2216,-103.3594,,AJj34?|$*
Cedar CreekLoganCOOLWhite Riververtebrates-mammals-artiodactyla-camelidae-Aepycamelus,Miolabis,Poebrotherium,Protolabis,Protomeryx;Cosoryx,hypertragulinae-Hypertragulus;Leptomeryx,Miniochoerus,oreodontidae-Merycochoerus,Ustatochoerus;Ramoceros,Stibarus;carnivora-canidae-Cynarctus,Hesperocyon,Mesocyon,Tomarctus;Daphoenus,Dinictis,Mustela,Palaeogale;eutheria-condylarthra-Ectoconus;Domnina;insectivora-Centetodon,Geolabis;lagomorpha-leporidae-Megalagus,Palaeolagus;;leptictida-Leptictis;marsupialia-Peratherium;perissodactyla-brontotheriidae-Archaeotherium;equidae-Merychippus,Mesohippus,Pliohippus,Protohippus;hyracodontidae-Hyracodon;rhinocerotidae-Caenopus;;rodentia-castoridae-Mylagaulus;Ceratogaulus,Eumys,Heliscomys,ischyromyidae-Ischyromys;Paradjidaumo,Pelycomys,sciuridae-Adjidaumo,Prosciurus;;;reptilia-squamata-Exostinus,lacertilia-Aciprion,Cremastosaurus,Peltosaurus,Platyrhachis;Rhineura,serpentes-Calamagras,NeurodromicusCO0151Rhineura originally entered as Diacium40.7233,-103.1486,,AJl73?|$*
Horsetail CreekLoganCOOLWhite Riververtebrates-reptilia-turtles-Stylemys,TestudoCO024340.7450,-103.6647,,AJl73?|$*CO0227
Lewis CreekLoganCOOrellan ageOLmWhite Riververtebrates-mammals-artiodactyla-camelidae-Poebrotherium;entelodontidae,hypertragulinae-Hypertragulus;Hypisodus,Leptomeryx,Merycoidodon,Miniochoerus,oreodontidae;carnivora,perissodactyla-brontotheriidae-Archaeotherium;;;reptiliaCO0156might be 'Kewis' Creek40.7967,-103.0219,,AJl73|*$CO0153,CO0154,CO0244
Lewis CreekLoganCOW D Mathew 1898OLWhite Riververtebrates-reptilia-squamata-lacertilia(lizards)-Heloderma,Peltosaurus;Rhineura;turtles-StylemysCO024440.7967,-103.0219,,AJl73|*$CO0153,CO0154,CO0156
Lewis CreekLoganCOOLWhite Riververtebrates-mammals,reptiliaCO015340.7967,-103.0219,,AJl73|*$CO0154,CO0156,CO0244
Lewis CreekLoganCOOLmWhite Riververtebrates-mammals,reptilia-turtlesCO015440.7967,-103.0219,,AJl73|*$CO0153,CO0156,CO0244
Pawnee Buttes(NW5)LoganCO4.8km NWMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-GeocheloneCO015740.8233,-103.9714,,AJl73?|*$CO0222,CO0232,CO0234
Sterling(N)LoganCON of Sterling near Nebraska State LineMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-Geochelone,TestudoCO015840.8574,-103.2056,,AJl74?|$*
-MesaCOEPvertebrates-mammals-eutheria-cimolesta-BarylambdaCO017139.3348,-108.2160,location:DeBeque.CO,AGg14|$*
-(DeBeque Mesa Rd-SSE9)MesaCO9 km SSE of DeBeque Mesa RdEPvertebrates-mammalsCO0173Lat lon is wild guess about 9km SSE of DeBeque, CO39.2716,-108.1813,,AJl74|*$CO0160
Black RidgeMesaCOTIO, R 102W,T IIS, R102W 6th PM in proposed Black Ridge Wilderness Area. CAUTION:Collecting vertebrate material in the US requires landowner or government permissionJMorrisonvertebratesCO0305'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'39.0725,-108.7152,T10SR102W6P,AJj53|$*CO0159
Black RidgeMesaCOTIOS, RI03W in Black Ridge Wilderness AreaKplants-angiosperms-Platanus(Sycamore)CO0304'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'39.1053,-108.9307,T10SR103W6P,AJj74|$*
Black RidgeMesaCOvertebrates-reptilia-dinosauria(bones)(gastroliths)CO015939.0725,-108.7152,T10SR102W6P,AJj53|$*CO0305
Cactus ParkMesaCOTl4S R99W Threopod dinosaur trackways -- 122 footprints. Research Natural Area. No collecting. Interpretive trailTRWingatevertebrates-reptilia-dinosauria(trackways)CO0310'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'38.8536,-108.4773,T14SR99W6P,AIj73|$*
DeBeque(SE10-DeBequeMesaRd)MesaCO10 km SE on DeBeque-Mesa RdEPuDeBequevertebrates-mammalsCO016039.2615,-108.1978,,AJk53|$*CO0173
DeBeque(SSE40-AtwellGulch)MesaCO39.6 km S-SE on DeBeque-Mesa road in Atwell Gulch member,in 'Hell's Half Acre' and also in other sites in neighborhoodEPuDeBequevertebrates-mammals-eutheria-condylarthraCO016139.0437,-108.0643,,AJk74|$*
DeBequeW4?)MesaCO2.4km W of Finley's Ranch which is possibly 2km W of DeBeque, COEPDeBequevertebrates-mammals-eutheria-condylarthra-PhenacodusCO0172CAUTION:Collecting vertebrate material in the US requires landowner or government permission39.3300,-108.2572,,AJk73?|$*
Debeque CanyonMesaCOS7T10SR97W in landslide on N side of canyon. 4.8km N of juction of CO65 and CO6-24? CAUTION:Collecting vertebrate material in the US requires landowner or government permissionvertebrates-reptilia-dinosauria(footprints)CO0306'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'39.2071,-108.2555,S7T10SR97W,AJk74|$*
Dinosaur HillMesaCOExit 19 South from I70 W at Fruita Colorado. CO340 South of its Colorado River bridge. Left on second road on left (East) off CO340. Left at T. Then take first right. Within McInnis Canyon s National Conservation Area. Day use trail with restrooms/picnic area at trailhead. Some dinosaur bones and invertebrate fossils visible in places. Trail passes Riggs Quarry site of an early 20th century Apatosaurus skelaton discovery. No CollectingJMorrisoninvertebrates-mollusks-bivalvia;;vertebrates-reptilia-dinosauriaCO0339https://museumofwesternco.com/famous-fossil-sites39.1328,-108.7361,,AKm73|,
FruitaMesaCOvertebrates-reptilia-dinosauria-tracks in Museum of Western Colorado{7}vertebrates-reptilia-dinosauria(tracks)CO016939.1512,-108.7379,,AKm73?|$*
FruitaMesaCOJMorrisonvertebrates-reptilia-dinosauria-ApatosaurusCO016239.1521,-108.7614,,AMm74?|*$CO0164,CO0165
Fruita Paleo LoopMesaCOInterpretive trail about 4km WSW of Fruita on South side of Colorado River. On S side of Horsethief Canyon Rd. Restroom, interpretive signs. Easy 800 meter trail. Not all that easy to describe how to get there from Fruita. Map and/or GPS recommended. Various Jurassic vertebrates found in the area including 8 taxa of dinosaurs, crocodiles, fish, mammals Trail map available in internet https:museumofwesternco.com/wp-content/uploads/2018/08/Fruita-Dino-Trails-brochure.pdf Not clear if any fossils are visible No CollectingJMorrisonvertebrates-fish,mammalia-Fruitafossor;reptilia-pseudosuchia-Fruitachampsa;dinosauria-Ceratosaurus-(others-8 taxa total)CO0340https://museumofwesternco.com/famous-fossil-sites39.1515,-108.7654,,AKm73|,
Fruita(DevildCyn)MesaCOIn Devil's Canyon. 2 km S on Colorado National Monument Road, cross River, Turn W 1 km to fork. Left at fork, 2 km to fork left at fork 1 km then 1 km N-fossils in Limestone replaced by red carnelianinvertebrates-mollusks-gastropodaCO0165Ransom,'Fossils in America'39.1521,-108.7614,,AMm73?|*$CO0162,CO0164
Fruita(DevilsCyn)MesaCOIn Devil's Canyon. 2 km S on Colorado National Monument Road, cross River,Turn W 1 km to fork. Left at fork, 2 km to fork left at fork 1 km area exposures to WestJMorrisonvertebrates-reptilia-dinosauria(bones)CO0164Ransom,'Fossils in America'39.1521,-108.7614,,AMm73?|*$CO0162,CO0165
Fruita(DinosaurJourney)MesaCODinosaur Journey Museum, or Museums of Western Colorado's Dinosaur Journey, is a museum in Fruita in Mesa County, Colorado. 550 Jurassic Ct, Fruita, CO 81521,Phone: (970) 242-0971. Dinosaur Journey is one of several associated museums in Fruita/Grand Junction -- dinosaur models,skelatons,substantial fossil collection (15000 items) Admission fee CO0331https://museumofwesternco.com/dinosaur-journey/39.1515,-108.7393,,AKm72|,
Fruita(S3)MesaCO3 km Svertebrates(gastroliths)(bones)CO0163Ransom,'Fossils in America'39.1183,-108.7262,,AJk73?|$*
Fruita(SW5)MesaCO4.8km SW. Proposed Research Natural Area. No collecting if so designated Area may be fenced. CAUTION:Collecting vertebrate material in the US requires landowner or government permissionJMorrisonvertebrates-mammals,reptilia-dinosauriaCO0307'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'39.1319,-108.7619,,AKm74|$*
Grand JunctionMesaCOJMorrisonvertebrates-reptilia-dinosauria(bones),squamata-lacertilia-GlyptosaurusCO016639.1844,-108.9487,,AJm74?|*$CO0167,CO0170
Grand JunctionMesaCOJMorrisonvertebrates-reptilia-dinosauria(bones),squamata-lacertilia-GlyptosaurusCO016739.1844,-108.9487,,AJm74?|*$CO0166,CO0170
Grand Junction(SW36-StarMesa)MesaCO36 km SW 700 meters above Big Dominguez Canyon on Star Mesa. dinosaurs(bones) in Morrison Formation claysJMorrison?CO016838.8761,-108.8196,,AJm74?|$*
Grand Junction(W-Area)MesaCOarea exposures W along Colorado River to Utah BorderJMorrisonvertebrates-reptilia-dinosauria(bones)CO017039.1844,-108.9487,,AJm74?|*$CO0166,CO0167
Rabbit ValleyMesaCON of I70 at Rabbit Valley Interchange on I70 3km E of Utah line. Research Natural Area. No collecting. Interpretive trailJMorrisonplants,vertebrates-reptilia-crocodilia,dinosauria,turtlesCO0309'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'39.1930,-109.0197,,AJn71|$*
Rabbit Valley(TrailThruTime)MesaCOOften ascribed to Fruita, CO. Exit 2 North from I70 W of Mack Colorado. Trail with interpretive signs. Some dinosaur remains visible. Some twigs and such from overlying Cretaceous formations as well. No CollectingJ,KMorrisonplants,vertebrates-reptilia-dinosauriaCO0341https://museumofwesternco.com/famous-fossil-sites39.1956,-109.0243,,AKm72|,
Riggs HillMesaCOI70 Redlands Parkway South Exit in Grand Junction. Cross Colorado River. Redlands Pkwy becomes S Broadway after crossing CO340 about 1km from River. Proceed another kilometer to parking area on right (North side of road). 45 minute interpretive trail. Two historic quarries -- Riggs and Holt on the trail. Trail map available in internet https:museumofwesternco.com/wp-content/uploads/2018/08/Riggs-Hill-Trail-Brochure.pdf Not clear if any fossils are visible No CollectingJMorrisonvertebrates-reptilia-dinosauriaCO0342https://museumofwesternco.com/famous-fossil-sites39.0736,-108.6514,,AKm73|,
CreedeMineralCOin San Juan Mountains in lakebed deposits in caldera http://www.colorado.edu/GeolSci/Resources/WUSTectonics/CzPaleobotany/introduction.htmlOLplantsCO017637.7935,-106.8585,,AKm73?|*$CO0175,CO0177,CO0245
CreedeMineralCOin road cuts along Rio Grande RiverE-OLplants(leaves)(cones)-(others)CO017737.7935,-106.8585,,AKm73?|*$CO0175,CO0176,CO0245
Creede(CO149)MineralCOIn road cuts along Rio Grande River off of CO149 in volcanic shalesOLinvertebrates-arthropoda-insecta;;plants-angiosperms-Salix-(willow)(leaves);;gymnospermopsida-coniferophyta(cones)(needles)CO024537.7935,-106.8585,,AKm73?|*$CO0175,CO0176,CO0177
Creede(CO149?)MineralCOIn yellowish volcanic ash beds in road cuts along the Rio Grande RiverEuCreedeinvertebrates-arthropoda-insecta;;plants-angiosperms-Salix(willow);gymnospermopsida-coniferophyta-Pinus(pine)CO017537.7935,-106.8585,,AKm73?|*$CO0176,CO0177,CO0245
-(Area rivers)MoffatCOIn gravels on Green and Yampa riversvertebrates-reptilia-dinosauria(bones)CO0185Ransom,'Fossils in America'40.5289,-108.9836,,AJj34?|$*
Alheit Pocket QuarryMoffatCOEWasatchvertebrates-mammals-creodonta-Hyopsodus;eutheria-condylarthra-Phenacodus;;insectivora-Leptacodon;marsupialia-Peradectes;primates-TetoniusCO017840.9710,-107.6675,S25T12NR92W,AKm72|*$CO0180,CO0183,CO0249
Alheit QuarryMoffatCOEWasatchvertebrates-mammals-creodonta-Hyopsodus;insectivora-Centetodon,Leptacodon;(Lovenia),marsupialia-Peradectes;primates-omomyidae-Anemorhysis;Phenacolemur,TetoniusCO0249http://www.npl.utexas.edu/vpl/databases/index.php40.9710,-107.6675,S25T12NR92W,AKm72|*$CO0178,CO0180,CO0183
Anthill QuarryMoffatCOEWasatchvertebrates-mammals-insectivora-ApatemysCO0250http://www.npl.utexas.edu/vpl/databases/index.php40.9095,-107.5543,S13T11NR91W,AKm73|$*
Calico Draw(IndianWaterCyn)MoffatCOT5N, R99W, In Indian Water Canyon just E of Dinosaur National Monument boundary. Sparse vertebrate fossils. Permit required to collect vertebrates?MZvertebrates-reptilia-dinosauriaCO0300'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989','Colorado Rockhounding-Stephen M. Voynick'40.4247,-108.5031,,AJm73?|$*
Despair QuarryMoffatCOEWasatchvertebrates-mammals-creodonta-Hyopsodus,Prototomus;eulipotyphla-Macrocranion;eutheria-condylarthra-Haplomylus;;insectivora-Apheliscus;multituberculata-Ectypodus;primates-Microsyops,Niptomomys,Phenacolemur,PseudotetoniusCO017940.9239,-107.5543,S12T11NR91W,AKm73?|$*
East Alheit Pocket QuarryMoffatCOEWasatchvertebrates-mammals-artiodactyla-Diacodexis;carnivora-Didymictis,Viverravus;creodonta-Arfia,Hyopsodus,Prolimnocyon,Prototomus;eulipotyphla-Macrocranion;eutheria-cimolesta-Didelphodus;condylarthra-Chriacus,Ectocion,Haplomylus,Phenacodus,Thryptacodon,Wyolestes;;insectivora-Apatemys,Apheliscus,Leptacodon,Scenopagus,Talpavus;leptictida-Prodiacodon;miacoidea-Uintacyon;multituberculata-Ectypodus,Neoliotomus,Parectypodus;Nyctitherium,perissodactyla-Homogalax,Hyracotherium;primates-Cantius,Craseops,Microsyops,Niptomomys,omomyidae-Anemorhysis;Phenacolemur,Teilhardina,Tetonius;rodentia-Itibitimys(?),Paramys;;reptilia-crocodilia-Allognathosuchus;squamata,turtlesCO0180(?)The only citation for Itibitimys is the original source40.9710,-107.6675,S25T12NR92W,AKm72|*$CO0178,CO0183,CO0249
Four MileMoffatCOFour Mile FaunaEWasatchvertebrates-amphibia,aves(birds)(bones),reptilia-crocodilia,squamata,turtlesCO018139.2097,-106.1042,,AKm73?|$*
Irish CanyonMoffatCODucey Stromatolite Locality. T9N, R1OOW, Sec. 5, T1ON, R1OOW, Sec. 32. Stomatolites to 3m in diameter with petrified wood. May be a Research Natural Area with collecting prohibitedEGreen Rivermicrofossils-stromatolites;plants(petrified_wood)CO0303'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'40.7700,-108.6613,S5T9NR1OOW-S32T1ONR1OOW,AIm53|$*
Lily Park(DisappointmentDraw)MoffatCOS of Yampa River Just S of boundary of White Bear Ranch in Disappointment DrawJMorrisonvertebrates-reptilia-dinosauria(fragments)CO018240.4597,-108.4436,,AIm73|$*
South Alheit PocketMoffatCOEWasatchvertebrates-mammals-primates-Cantius,MicrosyopsCO018340.9710,-107.6675,S25T12NR92W,ALm73|*$CO0178,CO0180,CO0249
Timberlake QuarryMoffatCO40.6N,-108.1WEWasatchvertebrates-mammals-eutheria-condylarthra-Haplomylus;;insectivora-Apheliscus;primates-Cantius,Microsyops,Niptomomys,TetoniusCO018440.6,-108.1,,AJm74|$*
Delores CanyonMontroseCOT47N, R18W, In channel fill deposits. Research Natural Area. No collecting.TRDoloresvertebrates-fish(articulated),reptilia-phytosauriaCO0311'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'38.3286,-108.8422,R18WT47N,AIm73|*$CO0186,CO0187
Dolores RiverMontroseCOParadox Valley in 120 meters of red bed depositsTRChinleinvertebrates-mollusks-bivalvia;;plants-gymnospermopsida-coniferophyta-Araucarioxylon,Woodworthia;;(petrified_wood),pteridophyta-cycadopsida-Zamites;equisetales-Neocalamites;Itopsidema(?),Osmundacaulis,Phlebopteris;;vertebrates-fish-actinopterygii-palaeoniscidae;sarcopterygii-Ceratodus,dipnoi-coelacanthiformes;;;(Labyrinthodontia),reptilia-phytosauria-Rutiodon;;;wormsCO0187Itopsidema originally entered as 'Itopsdema' or anything similar 05052538.3286,-108.8422,,AIm74?|*$CO0186,CO0188,CO0311
Dolores RiverMontroseCOTRChinlevertebrates-fish-sarcopterygii-ChinleaCO0186The name Chinlea has been used for both a fish and a plant. CAUTION:Collecting vertebrate material in the US requires landowner or government permission38.3286,-108.8422,R18WT47N,AIm74?|*$CO0187,CO0188,CO0311
Dolores River CanyonMontroseCOS36T47NR19W -- several localities (PLSS -108.8910, 38.3150, ( 4980 ft ) at a distance of 4010 m (SW of Bedrock, CO))TRChinle Uppervertebrates-fish-actinopterygii-palaeoniscidae-Turseodus;redfieldiidae-Cionichthys;semionotiformes-Semionotus;Synorichthys,Tanaocrossus,,;sarcopterygii-ChinleaCO018838.3150,-108.8910,S36T47NR19W,AIm73|*$CO0186,CO0187
NaturitaMontroseCO160km S of Grand Junction (16.0km?)KMesaverdevertebrates-reptilia-dinosauria(large)(tracks)CO018938.0164,-108.3147,,AIl54?|$*
Paradox ValleyMontroseCOJMorrisonvertebrates-reptilia-dinosauria(bones)-CamarasaurusCO019038.3250,-108.8639,,AJl54?|$*
Upper Potter CreekMontroseCOJMorrisonvertebrates-reptilia-dinosauria(teeth)CO019138.6204,-108.2080,,AJl53?|$*
Cimmaron/Comanche National GrasslandsOteroCOIn outdrops in Timpas unit LatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero countyKNiobrarainvertebrates(marine),vertebrates-fish-chondrichthyes-selachii(sharks);;reptiliaCO0255http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AIi34|$*CO0268
Cimmaron/Comanche National GrasslandsOtero?COLatLon is trailhead for Picketwire Canyon Trail, but actual outcrops could be anywhere in the Grasslands of Otero, Baca,Las Animas countiesKDakota Sandstoneplants,vertebrates(footprints)CO0258http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AJj35|*$CO0264,CO0277
Comanche National GrasslandsOteroCOAt top of canyon exposures in Timpas Unit. LatLon is best guess at trailhead for Picketwire Canyon TrailKDakota Sandstonevertebrates(tracks)(isolated)CO0264http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.6591,-103.6063,,AJj34|*$CO0258,CO0277
Comanche National GrasslandsOteroCOIn northern parts of the Timpas unit. LatLon is Timpas, COKNiobrarainvertebrates,vertebrates(marine)CO0268http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf37.82,-103.77,,AJj34|$*CO0255
Comanche National GrasslandsOteroCOPicketwire Canyonlands as well as small exposures in Carrizo,Gallinas,Sand Creeks--Withers Canyon/Picketwire Canyon. No collecting. LatLon is mouth of Withers Canyon. Trailhead is several km to the West. The tracksite is said to be roughly 17km from the trailhead. Toilets on trail, but no drinking water. Some confusion about whether this site is Cretaceous-Dakota or Jurrasic-MorrisonJMorrison,Lowervertebrates(tracks)CO0263http://www.fs.fed.us/r2/psicc/projects/forest_revision/pt1_ch13_paleo_061228.pdf; http://www.sangres.com/nationalparks/dinosaur/index.htm37.6647,-103.5618,,AJj32|$*CO0260
Comanche National Grasslands(WithersCyn)OteroCOWithers Canyon/Picketwire Canyon. Large number of reptile tracks -- No collecting. LatLon is mouth of Withers Canyon. Trailhead is several km to the West. The tracksite is said to be roughly 17km from the trailhead. Toilets on trail, but no drinking waterKDakotavertebrates-reptilia(tracks)CO0277http://www.wipsppc.com/field_trips-2009.php; http://www.fs.fed.us/r2/psicc/coma/main/picketwireguide.shtml37.6647,-103.5618,,AJl52|*$CO0258,CO0264
La Junta(area)OteroCOIn area shale exposuresKCarlileinvertebrates-mollusks-bivalvia-Inoceramus(large),Ostrea;cephalopoda-ammonoidea-Prionocyclus;;;;vertebrates-fish-actinopterygii-pleuronectoidei(flatfish)(shales);chondrichthyes-selachii(sharks)(small)CO0192Ransom,'Fossils in America'37.9875,-103.5672,,AHh43?|$*CO0194
La Junta(area)OteroCOarea exposuresJMorrisonvertebrates-reptilia-dinosauria(bones)(agatized)CO0193Ransom,'Fossils in America'37.9875,-103.5672,,AKk54?|$*
La Junta(area)OteroCOin area shale exposuresKCarlileinvertebrates-mollusks-bivalvia-Inoceramus(large),Ostrea;cephalopoda-ammonoidea-Prionocyclus;;;;vertebrates-fish-actinopterygii-pleuronectoidei(flatfish)(thin scales);chondrichthyes-selachii(sharks)(small)CO0194Ransom,'Fossils in America'37.9875,-103.5672,,AKk53?|$*CO0192
Picket Wire Track SiteOteroCODinosaur tracks. Roughly 8km hike SSW of Withers Canyon Trailhead on Forest Road 2125 roughly 40km S of La JuntaJMorrison?ichnofossils-(reptilia-Allosaurus,Brontosaurus tracks)CO0324101 American Fossil Sites-Dickas37.6597,-103.5717,,AKm72|,
Alma(N5)ParkCO5 km N in Gulch on W side of Platte RiverCRinvertebrates-echinoderms-crinoids(fragments)CO0195Ransom,'Fossils in America'39.3338,-106.0661,,AKm73?|$*
Boreas PassParkCOIn continuous belt through regionKDakotainvertebrates-mollusks-bivalvia-Inoceramus,Ostrea,Trigonarca;cephalopoda-ammonoidea-Prionocyclus,ScaphitesCO0196Ransom,'Fossils in America'39.4111,-105.9689,,AKm72?|$*
Buckskin Gulch(Alma District)ParkCOIn talus at base of slopeCuinvertebrates-brachiopoda-BillingsellaCO0197Ransom,'Fossils in America'39.2828,-106.0618,,AKm73|$*
London MountainParkCOalong Ridge W of summitCRinvertebrates-echinoderms-crinoids(fragments)CO0198Ransom,'Fossils in America'39.2844,-106.1578,,AKm72|$*
Quandary PeakParkCOCuinvertebrates-arthropoda-trilobita-DikelocephalusCO019939.3972,-106.1058,,AKm73|$*
Aspen(MillieGibsonMine)PitkinCOat Millie Gibson Mine - gastropoda replaced with native Silver,Galena,Sphalerite?CO024239.1918,-106.8083,,AKm72|$*
Snowmass(SkiArea)PitkinCOIn lakebed deposits in excavation for holding pond for ski areaPEplants,vertebrates-mammals-artiodactyla-Bison;proboscidea-(Mammoths),Mastodon;(others)CO0285Nova TV-Ice Age Death Trap 201139.2117,-106.9453,,AKm72|$*
Lamar(S29-CO287)ProwersCO29 km S on CO 287plants(petrified wood)CO0200Ransom,'Fossils in America'37.7723,-102.6088,,AHm73?|$*
Pueblo(BaculiteMesa)PuebloCOAt Baculite Mesa (on private land). From jct of CO47 and US50 E of Pueblo, N on CO47. When it turns west turn N on Baculite Mesa Road, drive to gate and telephone for permissionKPierreinvertebrates-mollusks-bivalvia,cephalopoda-ammonoidea-Baculites,Scaphites,(others);nautilidae;gastropodaCO0269http://www.wipsppc.com/field_trips-2009.php38.3293,-104.5512,,AKm72|$*
Pueblo(I25)PuebloCOS in road cuts adjacent to rest area on I25 in limestonesKFort Hayes,Greenhorninvertebrates-mollusks-bivalvia-Inoceramus;cephalopoda-ammonoideaCO020137.8583,-104.8296,,AKm73?|$*CO0202
Pueblo(N-RRcut)PuebloCON in RR cutKNiobrarainvertebrates-mollusks-bivalvia-InoceramusCO0248An American Geological Railway Guide P28938.2637,-104.5869,,ALm73?|$*
Pueblo(S-I25)PuebloCOS on I25KGreenhorninvertebrates-mollusks-cephalopoda-ammonoideaCO020237.8583,-104.8296,,AKm73?|*$CO0201
PuebloNE-TeePeeButtes)PuebloCONE in a series of 'Teepee Buttes' which are large reefs that formed around methane gas ventsKPierreinvertebrates-mollusks-bivalvia-Nymphalucina;cephalopoda-ammonoidea-Baculites;;gastropoda;(others)CO0275http://www.wipsppc.com/field_trips-2009.php38.2770,-104.2575,,AIm72|$*
-Rio BlancoCOEP?invertebrates-arthropoda-insecta-coleoptera,diptera-Eristalis,Nematocera,Plecia,Tipula;PronemobiusCO020540.0402,-107.9132,location:Meeker.CO,AIj14|$*CO0204
Blacks GulchRio BlancoCOT2N, R96W- 48km? W of Meeker on CO64. Research Natural Area, No CollectingELysitevertebrates-mammalsCO0295'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989','Colorado Rockhounding-Stephen M. Voynick'40.0928,-108.1934,T2NR96W,AJm73|$*
Carr CreekRio BlancoCOFossil plants near headwaters. This is the Wardell Ranch locality which produced numerous well preserved leaves from weathered shales in road cutsEGreen Riverinvertebrates-arthropoda-insecta?;;plantsCO0321The Eocene Green River Flora of Northwestern Colorado and Northeastern Utah39.5644,-108.5279,,AKm74?|,
Coryphodon Quarry(DeardorffHill?)Rio Blanco?COEntered as Sandoval County, nm, but probably refers to Deardorff Hill in ColoradoESan Josevertebrates-mammals-eutheria-cimolesta-Coryphodon;;perissodactyla-HyracotheriumNM0197CAUTION:Collecting vertebrate material in the US requires landowner or government permission39.7,-107.6,,AHh14?|$*
Douglas Pass(FAAsite)Rio BlancoCO9.6km E of Hwy Dept maint shed on CO139 at Douglas Pass on graded gravel road (keep left at junctions) in road cut below radar site.EGreen Riverinvertebrates-arthropoda-insecta(rare);;plants(leaves)(abundant)CO0296'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989','Colorado Rockhounding-Stephen M. Voynick'39.6369,-108.7617,,AJm72|*$CO0098,CO0099,CO0100,CO0105
Fossil ReservoirRio BlancoCO-CO0320https://geonames.usgs.gov/apex/40.1751,-108.7646,,AIm73|$*
Hawes QuarryRio BlancoCOAt Hawes QuarryEGreen Riverinvertebrates-arthropoda-insectaCO020440.0402,-107.9132,location:Meeker.CO,AIj14|$*CO0205
Piceance Creek BasinRio BlancoCOAt oil shale mineEGreen Riververtebrates-fish-actinopterygii-KnightiaCO020339.8845,-108.2920,location:Miller Hill.CO,AIm34|$*
Rangely(S38-CO139)Rio BlancoCO38.4 km S (20.8km N of Douglas Pass) in clinker bed on W side of CO 139.KMesaverdeplantsCO0298Colorado Rockhounding-Stephen M. Voynick39.8207,-108.7598,,AHk53?|$*
Elk riverRouttCOS4t7Nr85W (PLSS -106.9175, 40.5981 at a distance of 1172 m from mouth of Salt Creek)KMancosinvertebrates-mollusks-bivalvia-Inoceramus,Ostrea;cephalopoda-ammonoidea-Baculites,Scaphites;;;;vertebrates-fish(scales)-actinopterygii-Ichthyodectes,PortheusCO020640.5981,-106.9175,S4t7Nr85W,AIk73|$*
Trull Schoolhouse(?)RouttCOS28KMancos-CO0207USGS search comes up with a Trull Creek (which is not labelled on the 1:25 map) near Lake Windemere at 40.5133N,-106.9589W. Other than that,nothingRansom,'Fossils in America'40.5133,-106.9589,,AJk34?|$*
Ouray(E)San JuanCOE in cliffs adjacent to small waterfallPNHermosainvertebrates-mollusks-bivalvia-Myalina,(others)CO020938.0259,-107.6647,,AKm73?|$*
Ouray(S2)San JuanCO2 km S in CliffsDOurayinvertebrates-brachiopoda,cnidaria-corals(abundant);mollusks;wormsCO020838.0071,-107.6628,,AKm73?|$*
PlacervilleSan MiguelCOT44N, R11W, S35, Very sparse vertebrate material. CAUTION:Collecting vertebrate material in the US requires landowner or government permissionPCutlervertebratesCO0312'Faults, Fossils, and Canyons. Significant geologic features on public lands in Colorado. Geologic Advisory Group, BLM 1989'38.0228,-108.0444,S35T44NR11WNM,AKm73|$*CO0210
Placerville(SE5)San MiguelCO4.8km SE in San Miguel River ValleyPCutlervertebrates-amphibia-diadectidae-DiadectesCO0210CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.9979,-108.0332,,AJn73?|$*CO0312
San Miguel(SanMiguelCk)San MiguelCOTRChinle,Doloresvertebrates-fish-actinopterygii-redfieldiidae-Cionichthys?CO0211Location is on San Miguel Creek37.9781,-108.1429,,AKm74?|$*
Allison(N3-PiedraRiver)SummitCO3km N on E side of Piedra RiverEPAnimasvertebrates-mammals-eutheria-condylarthra-Periptychus,PhenacodusCO0212CAUTION:Collecting vertebrate material in the US requires landowner or government permission37.0530,-107.4676,,AKm73?|*$CO0001,CO0213
Allison(N5-PiedraRiver)SummitCO5 km N on W side of Piedra RiverEPAnimasvertebrates-mammals-eutheria-condylarthra-Ectocion(?),PhenacodusCO0213CAUTION:Collecting vertebrate material in the US requires landowner or government permission--Ectocion entered as Ectiocion37.0793,-107.4940,,AJm73?|*$CO0146,CO0148,CO0212
FlorissantTellerCOFlorrisant Fossil Quarry at 18117, CR1, (719/748-3275 is a private, for fee collecting area with leaf and insect fossils in Eocene Shales. It is open six days a week, weather permitting from Memorial Day to Labor Day and at times from mid-April. They also sell 3.5lb (1.5kg) bags of raw shale by mail order. See website https://florissantfossilquarry.com for current details. Eplants(leaves),invertebrates-arthropoda-insectaCO0343https://nautiloid.net/fossils/sites/florrisant/florissant38.9434,-105.2878,,AKm72|,
FlorissantTellerCOEvertebrates-fish-actinopterygii-TrichophanesCO021438.9458,-105.2889,,AKm53?|*$CO0215,CO0216,CO0218,CO0219,CO0246,CO0318
Florissant Fossil Beds National MonumentTellerCO-CO0318https://geonames.usgs.gov/apex/38.9139,-105.2854,,AKm73|*$CO0214,CO0215,CO0216,CO0218,CO0219,CO0246
Florissant(Area)TellerCOArea exposures. The majority of the exposure is within the National Monument,but there are some beds exposed on Hwy1 N and S of the monument and on US 20(24?) East and West of the town of FlorissantOLFlorissantinvertebrates-arthropoda-insecta;;plantsCO021538.9458,-105.2889,,AKl43?|*$CO0214,CO0216,CO0218,CO0219,CO0246,CO0318
Florissant(Area)TellerCOarea lakebed exposuresOLinvertebrates-arthropoda-insecta-diptera(robber flies)(Tsetse flies)(horseflies),lepidoptera(butterflies),megaloptera(dobson flies),raphidoptera(snakeflies);;;plantsCO0218Ransom,'Fossils in America'38.9458,-105.2889,,Akm53?|*$CO0214,CO0215,CO0216,CO0219,CO0246,CO0318
Florissant(ClareQry)TellerCOClare Quarry (Fee)Tinvertebrates-arthropoda-insectaCO0216On County Rd1 400 meters S of town.http://florissantfossils.tripod.com/Newfiles/Location.html38.9437,-105.2877,,AKm72?|*$CO0214,CO0215,CO0218,CO0219,CO0246,CO0318
Florissant(ClareQry)TellerCOClare Quarry--reported open weekends in Summer-$5.00 fee. Number in phone bookinvertebrates-arthropoda-insectaCO0246On County Rd1 400 meters S of town.http://florissantfossils.tripod.com/Newfiles/Location.html38.9437,-105.2877,,AKm72?|*$CO0214,CO0215,CO0216,CO0218,CO0219,CO0318
Florissant(IndianCraftsCo)TellerCOfor fee collecting at Indian Crafts and Construction Co. Probably long since out of business?CO021938.9458,-105.2889,,AKm53?|*$CO0214,CO0215,CO0216,CO0218,CO0246,CO0318
Woodland Park(RockyMtnDinosaurResourceCtr)TellerCOThe Rocky Mountain Dinosaur Resource Center is a fossil museum primarily with mostly North American Upper Cretacous fossils. Fossil prep lab, Gift Shop, 201 S Fairview St, Woodland Park, CO 80863, (719) 686-1820CO0333www.rmdrc.com38.9936,-105.0512,,AKm72|,
Big Spring Quarry(area)WeldCOarea exposuresMI(Barstow)Pawnee Creekvertebrates-mammals-artiodactyla-camelidae-Aepycamelus,Miolabis;Dromomeryx;carnivora-canidae-Tomarctus;;perissodactyla-equidae-Desmatippus,Scaphohippus;rhinocerotidae-AphelopsCO022040.8,-104.2,,AHm54?|*$CO0221,CO0226,CO0235,CO0236,NE0089
Big SpringsWeldCOMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-GeocheloneCO022140.8,-104.2,,AHm54?|*$CO0220,CO0235,CO0236,NE0089
Big Springs QuarryWeld?COMI(Clarendon)Ash Hollowvertebrates-mammals-artiodactyla-camelidae-Procamelus;Cosoryx,oreodontidae-Ustatochoerus;;carnivora-PseudaelurusNE0089CAUTION:Collecting vertebrate material in the US requires landowner or government permission Originally entered as Cherry County and Miocene, but the only Big Springs Quarry I can identify in Nebraska is Pleistocene (Late Blancan) near Orchard in Antelope County. Original Lat Lon is in Weld County, CA40.8706,-103.9206,,AHm73?|*$CO0220,CO0221,CO0234
Cornish(E)WeldCOE of Cornish on E side of South Platte Valley?CO002840.5229,-104.4057,,AKm73?|$*
East ValleyWeldCOMI(Barstow)Pawnee Creekvertebrates-mammals-artiodactyla-camelidae-Protolabis;ProsynthetocerasCO022240.8233,-103.9714,location:Pawnee Buttes.CO,AHm54?|*$CO0157,CO0232,CO0234,CO0237
Fossil HillWeldCOSection 8MI(Barstow)Pawnee Creekvertebrates-mammals-perissodactyla-rhinocerotidae-AphelopsCO0223Might be a reference to Fossil Ridge in Fort Collins, but more likely is somewhere well East of there40.4804,-104.8947,location:Windsor.CO,AJj25?|$*
Grover(Area)WeldCOArea exposureMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-GeocheloneCO022540.8714,-104.2247,,AIm43?|$*CO0226
Horse and Mastodon QuarryWeldCOMI(Barstow)Pawnee Creekvertebrates-mammals-artiodactyla-camelidae-Aepycamelus,Homocamelus,Metalabis(?),Miolabis,Protolabis;Cosoryx,Dromomeryx,oreodontidae-Ustatochoerus;;carnivora-canidae-Aelurodon;;perissodactyla-equidae-Desmatippus,Hypohippus,Megahippus,Merychippus;rhinocerotidae-Aphelops;;proboscidea-Zygolophodon;;reptilia-turtles-GeocheloneCO0226Metalabis is probably an invalid name.The real Metalabis is an insect40.8684,-104.2225,location:Grover.CO,AHm34|*$CO0220,CO0225
Horsetail CreekWeldCOOLWhite Riververtebrates-reptilia-turtles-Stylemys,TestudoCO0227Original says NE,but cant identify a Horsetail Creek in NE40.7450,-103.6647,,AIk34?|$*CO0243
Kalouse(area)WeldCOarea exposuresvertebrates-reptilia-dinosauria(bones),(petrified wood)CO0228Ransom,'Fossils in America'40.8377,-103.8112,,AHk13|$*
Keota Rd(W)WeldCOarea exposures in Canyons W of Keota RdMI(Barstow)Pawnee Creekvertebrates-mammals-perissodactyla-rhinocerotidae-AphelopsCO022940.7019,-104.0761,location:Keota.CO,AHm54|$*
Pawnee ButtesWeldCOMI(Barstow)Pawnee Creekvertebrates-mammals-artiodactyla-Agriochoerus,Blastomeryx,camelidae-Protolabis;Hypisodus,Merychyus,Miniochoerus;carnivora-Amphicyon,canidae-Hesperocyon;Daphoenus,Palaeogale;lagomorpha-leporidae-Megalagus,Palaeolagus;;perissodactyla-equidae-Merychippus,Parahippus,Protohippus;hyracodontidae-Hyracodon;Moropus,rhinocerotidae-Aphelops;;proboscidea-Miomastodon;rodentia-Eumys,ParadjidaumoCO023040.8200,-104.0721,,AHm44?|*$CO0231,CO0232,CO0233,CO0234
Pawnee Buttes(E)WeldCOEastOLBrulevertebrates-mammals-artiodactyla-ProsynthetocerasCO023240.8200,-104.0721,,AHm44?|*$CO0157,CO0222,CO0230,CO0231,CO0233,CO0234
Pawnee Buttes(E-NorthPawneeCk)WeldCOSW1/4S1/2S24R59WT10N. E of Pawnee Buttes Near North Pawnee CreekMI(Barstow)Pawnee Creekvertebrates-mammals-artiodactyla-camelidae-Miolabis,Protolabis;;perissodactyla-equidae-Calippus;rhinocerotidae-AphelopsCO023740.8238,-103.9266,SW1/4S1/2S24R59WT10N,AIk54?|*$CO0222,CO0234
Pawnee Buttes(SE-PawneeQry)WeldCOSE at Pawnee QuarryMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-GeocheloneCO023340.8200,-104.0721,,AHm44?|*$CO0230,CO0231,CO0232,CO0234
Pawnee Buttes(W5)WeldCO4.8km WMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-GeocheloneCO023140.8200,-104.0721,,AHm44?|*$CO0230,CO0232,CO0233,CO0234
Pawnee Buttes(area)WeldCOarea exposuresOLDuchesne River?vertebrates-mammals(bones)CO023440.8233,-103.9714,,AGl63?|*$CO0157,CO0222,CO0230,CO0231,CO0232,CO0233,CO0237,NE0089
Quarry Hill(NE)WeldCONortheastMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-GeocheloneCO023640.8,-104.2,,AIi24|*$CO0220,CO0221,CO0235
Quarry Hill(S3)WeldCO3.2km SMI(Barstow)Pawnee Creekvertebrates-reptilia-turtles-GeocheloneCO023540.8,-104.2,,AIi24|*$CO0220,CO0221,CO0236
Arickaree(BeecherIs)YumaCOnear Beecher Island in Arickaree RiverMIvertebrates-mammals-perissodactyla-rhinocerotidae-TeleocerasCO023839.8702,-102.1869,Beecher Is:CO,AJm73?|$*
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