petroglyph on rock against blue sky with clouds. mckee springs, dinosaur national monument, utah. - 恐龍國家紀念館 個照片及圖片檔
detail of native american petroglyph. mckee springs, dinosaur national monument, utah. - 恐龍國家紀念館 個照片及圖片檔
Stereograph of Dunn's Cliff in the Canyon of Lodore on the Green River, Dinosaur National Monument, Colorado, 1871. Image courtesy USGS. .
Stereograph of Dunn's Cliff in the Canyon of Lodore on the Green River, Dinosaur National Monument, Colorado, 1871. Image courtesy USGS. .
Echo Park, looking down from upper end, Yampa River in the foreground, Green River enters from the right, Dinosaur National Monument, Moffat County,...
Canyon of Lodore, Green River, Dinosaur National Monument, Moffat County, Colorado, 1871. Image courtesy of E.O. Beaman/USGS. .
Stereograph of the Canyon of Lodore on the Green River, Dinosaur National Monument, Colorado, 1871. Image courtesy USGS. .
Stereograph of the Colorado River running through the Canyon of Lodore, Dinosaur National Monument, Colorado, 1875. Image courtesy USGS. .
Stereograph of Split Mountain and the surrounding landscape in Dinosaur National Monument, Utah, 1875. Image courtesy USGS. .
Stereograph of the rock pinnacles within Split Mountain Canyon on the Green River, Dinosaur National Monument, Utah, 1871. Image courtesy USGS. .
Stereograph of Angel's Whisper, which is a side canyon of Lodore Canyon, Dinosaur National Monument, Colorado. Image courtesy USGS. 1871. .
Stereograph of Split Mountain Canyon on the Green River, Dinosaur National Monument, Utah. Image courtesy USGS. 1871. .
Robert F. Kennedy and wife Ethel Kennedy sit on the bank of Tampa River during their early July three day float down the Tampa and Green Rivers to...太太, 坦帕灣
