Wikimedi'Òc

Dinosaur ridge roadcut I-70.jpg - File Upload Bot (Magnus Manske)

Dinosaur mayse shoulder blade.jpg - Flickr upload bot

Morrison Formation Colorado National Monument.jpg - Tillman

NPS great-sand-dunes-geologic-map.jpg - RKBot

NPS rocky-mountain-geologic-map.jpg - RKBot

Dino Ridge 2017-09-30 1773.jpg - Chris Light

Dinosaur Ridge 2017-09-30 1585.jpg - Chris Light

Dinosaur Ridge 2017-09-30 1586.jpg - Chris Light

Dinosaur Ridge 2017-09-30 1763.jpg - Chris Light

Crested Butte geologic cross section USGS 1991.jpg - Zapus

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 3 (8277685509).jpg - Ser Amantio di Nicolao

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 2 (8277684907).jpg - Ser Amantio di Nicolao

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 1 (8278741922).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 1 (8278744810).jpg - Ser Amantio di Nicolao

Sauropod dinosaur track in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 1 (8278746316).jpg - Ser Amantio di Nicolao

Radioactive dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) (8277701353).jpg - Ser Amantio di Nicolao

Sauropod dinosaur track in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) 4 (8277738579).jpg - Ser Amantio di Nicolao

Haplocanthosaurus delfsi sauropod dinosaur (Morrison Formation, Upper Jurassic; Delfs Quarry, Garden Park, north of Canon City, central Colorado, USA) 1 (15384411406).jpg - Ser Amantio di Nicolao

Haplocanthosaurus delfsi sauropod dinosaur (Morrison Formation, Upper Jurassic; Delfs Quarry, Garden Park, north of Canon City, central Colorado, USA) 2 (15384411826).jpg - Ser Amantio di Nicolao

Stegosaurus dinosaur track (Morrison Formation, Upper Jurassic; Colorado, USA) (15354795450).jpg - Ser Amantio di Nicolao

Juvenile Stegosaurus dinosaur footprint (Morrison Formation, Upper Jurassic; Dinosaur Ridge, west of Denver, north-central Colorado, USA) (15541291642).jpg - Ser Amantio di Nicolao

Radioactive sauropod dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) (15693894957).jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in lacustrine sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 12 (22020195120).jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in lacustrine sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 13 (22020187010).jpg - Ser Amantio di Nicolao

Theropod footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 2 (22182277286).jpg - Ser Amantio di Nicolao

Sauropod dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) (22196275112).jpg - Ser Amantio di Nicolao

Dinosaur bone in sandstone (Morrison Formation, Upper Jurassic; western side of Dinosaur Ridge, Colorado, USA) (22022125159).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 2 (22021405308).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; No Thoroughfare Canyon, Colorado National Monument, Colorado, USA) 2 (23950777085).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; No Thoroughfare Canyon, Colorado National Monument, Colorado, USA) 1 (23324049773).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; No Thoroughfare Canyon, Colorado National Monument, Colorado, USA) 4 (23327437674).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; No Thoroughfare Canyon, Colorado National Monument, Colorado, USA) 5 (23587817709).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; No Thoroughfare Canyon, Colorado National Monument, Colorado, USA) 8 (23327417964).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; No Thoroughfare Canyon, Colorado National Monument, Colorado, USA) 6 (23955673865).jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; between Black Ridge & Monument Canyon, Colorado National Monument, Colorado, USA) 1 (23996204085).jpg - Ser Amantio di Nicolao

Morrison Formation over Wanakah Formation over Entrada Sandstone over Kayenta Formation over Wingate Sandstone (Jurassic; Colorado National Monument, Colorado, USA) (23987535436).jpg - Ser Amantio di Nicolao

Dinosaur coprolite (Morrison Formation, Upper Jurassic; Cortez, Colorado, USA).jpg - Ser Amantio di Nicolao

Ralston Mbr.jpg - Carpenter, Kenneth

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 47.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 49.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 48.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 46.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 45.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 44.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 42.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 43.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 41.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 40.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 38.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 39.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 37.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 35.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 36.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 34.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 33.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 32.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 29.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 31.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 30.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 28.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 27.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 26.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 25.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 24.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 23.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 22.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 21.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 20.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 17.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 19.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 18.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 16.jpg - Ser Amantio di Nicolao

Sauropod dinosaur footprint in sandstone (Morrison Formation, Upper Jurassic, western side of Dinosaur Ridge, Colorado, USA) 15.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 28.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 26.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 27.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 25.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 23.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 24.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 22.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 21.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 20.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 19.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 17.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 18.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 16.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 14.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 15.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 13.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 10.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 12.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 11.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 8.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 9.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 7.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 6.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 5.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 4.jpg - Ser Amantio di Nicolao

Morrison Formation (Upper Jurassic; Dinosaur Ridge, west of Denver, Colorado, USA) 3.jpg - Ser Amantio di Nicolao