DINOSAUR NATIONAL MONUMENT Dinosaur prints, picketwire canyonlands, southeast Colorado. (071004-2567)Dinosaur tracks in picketwire canyonlands, southeast Colorado. (071004-2481)Dinosaur tracks in picketwire canyonlands, southeast Colorado. (071004-2532)Dinosaur prints, comanche national grassland, southeast Colorado. (071004-2491)Dinosaur tracks, picketwire canyonlands, southeast Colorado. (071004-2570)Dinosaur tracks, picketwire canyonlands, southeast Colorado. (071004-2502)1500 dinosaur tracks in southeast Colorado are visible in our aerial. The U.S. Forest Service administers this site in picketwire canyon. -- Flight courtesy of Lighthawk. (070520-1106)Dinosaur footprints, picketwire canyonlands, southeast Colorado. (071004-2542)Dinosaur prints, picketwire canyonlands, southeast Colorado. (071004-2490) PHOTO LIBRARY MENUMENUPLACESUNITED STATESARIZONAALASKACALIFORNIACOLORADO Cherry Creek State ParkColorful ColoradoDinosaur National MonumentGreat Sand Dunes National ParkPawnee National GrasslandsRoan PlateauRocky Mountain Arsenal National Wildlife RefugeRocky Mountain National ParkSan Luis ValleySoutheast Colorado DAKOTASFLORIDAMINNESOTAMONTANAOKLAHOMAOREGONTEXASWASHINGTONWYOMING