Pennsylvanian Minturn Formation, Minturn - Vail area
Late Paleozoic strata - Eagle Basin
Great Sand Dunes National Monument
The images on this page are all in portrait (verical) mode.
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Pawnee Buttes National Grassland
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Tertiary Dawson Arkose Castlewood Canyon State Park ID-1997-08-020 |
Pennsylvanian-Permian Fountain Formation Boulder Mountain Parks 1987_05 |
Pennsylvanian-Permian Fountain Formation Red Rocks Park 1983_09 |
Sunrise Rocky Mountain National Park 1990-10-007 |
Mt. Evans Arapahoe National Forest ID-1887 |
Eocene erosion surface Mt. Zirkel Wilderness 1990_09 |
Great unconformity and Sawatch anticline White River National Forest 1987_07 |
Minturn Formation and Gore Range White River National Forest
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Gilbert delta and bioherms White River National Forest 1987_08 |
Gilbert delta and washover fan White River National Forest 1987_08-i21 |
Angular unconformity State Bridge 1988_08 |
Pennsylvanian Belden Formation Colorado River 1987_09 |
Eagle Valley Evaporite and Maroon Formation near Dotsero 1987_05 |
Eagle Valley Evaporite and Maroon Formation aerial photograph 1987_07 |
Eolian strata of Fryingpan Member White River National Forest
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Rock glacier Maroon-Snowmass Wilderness 1986_09 |
Cross bedded and hydrocarbon stained Weber Sandstone 1987_09 |
Dune margin 1990_10 |
Dunes and Sangre de Cristo Range 1998-GSA-008 |
Ripples and Medano Creek ID-1910 |
Dune crest ID-2162 |