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Penn-Permian Maroon Fm, CO (Vertical)
Red beds of Pennsylvanian-Permian Maroon Formation, Colorado and Aspen. (201007-76)
Download ImagePenn-Permian Maroon Fm, Colorado
Red beds of Pennsylvanian-Permian Maroon Formation, Colorado and Aspen. (201007-72)
Download ImageReduction spot on red siltstone
Reduction spot on red siltstone. Pennsylvanian-Permian Maroon Formation, Colorado (201007-46)
Download ImageDebris Flow channel, Colorado (vertical)
Debris flow channel on debris flow fan below North Maroon Peak, Colorado (201007-42)
Download ImageDebris Flow channel, Colorado
Debris flow channel on debris flow fan below North Maroon Peak, Colorado (201007-41)
Download ImageRed sandstone and conglomerate, Colorado
Red sandstone and conglomerate of the Pennsylvanian-Permian Maroon Formation, Colorado (201007-31)
Download ImageConglomerate. Maroon Fm., Colorado
Conglomerate with limestone (marble) clasts. Pennsylvanian-Permian Maroon Formation, Colorado. (201007-24)
Download ImageMaroon Bells, Colorado
Maroon Bells, made of sedimentary rock of the Pennsylvanian-Permian Maroon Formation, Colorado. Fall aspen in foreground (201007-15)
Download ImageMaroon Bells, Colorado (vertical)
Maroon Bells, made of sedimentary rock of the Pennsylvanian-Permian Maroon Formation, Colorado. Fall aspen in foreground (201007-14)
Download ImageCretaceous Mancos Shale, Colorado
Cliffs of Cretaceous Mancos Shale near Marble, Colorado (201006-88)
Download ImageBlocks of Yule Marble, Colorado (Vertical)
Blocks of Yule Marble at Yule Marble Quarry, Colorado (201006-58)
Download ImageBlocks of Yule Marble, Colorado
Blocks of Yule Marble at Yule Marble Quarry, Colorado (201006-57)
Download ImageYule Marble Quarry, Colorado
Quarrying Yule Marble at Yule Marble Quarry, Colorado (201006-51)
Download ImageTravertine, Rifle Falls, Colorado (vertical)
Closeup of travertine at Rifle Falls, Colorado (201006-26)
Download ImageRifle Falls and travertine, Colorado
Rifle Falls and travertine deposits, Colorado (201006-17).
Download ImageIncised meander of Dolores River, Colorado
Incised meander of the Dolores River from Hanging Flume Overlook. The main bedrock is the Jurassic Wingate and overlying Kayenta Fms. (201005-102)
Download ImageAngular Unconformity at Box Canyon, Ouray, Colorado
Angular Unconformity between Devonian and Precambrian sedimentary rock (quartzite of the Uncompahgre Formation) at Box Canyon, Ouray, Colorado (201005-101)
Download ImageBox Canyon Falls, Colorado (vertical)
Box Canyon Waterfall, spilling over cliffs in a narrow gorge of Proterozoic quartzite of the Uncompahgre Formation, Ouray, Colorado (201005-88)
Download ImageDiplodocus vertebrae, Colorado
Fossil vertebrae of Diplodocus dinosaur in Jurassic Morrison Formation, Trail of Time, Colorado (201005-7)
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