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Album caption: Laramie coal bearing bluffs. Colorado. n.d. No index card available.
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Tepee buttes, Arkansas Valley. Eastern Colorado. 1894. Photo by F.P. Gulliver
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Colorado National Monument, Colorado. Ladder Creek Monocline and Redlands Fault. View is northwest from a point near Little Park Road east of the monument. No Thoroughfare Canyon in the foreground, which is bordered on the left by northeastward-dipping beds of Wingate Sandstone at the northwest end of Ladder Creek Monocline. Old Serpents Trail, the lower part of which is barely visible, ascends this dipping block of rock. The dark Proterozoic rocks form the flat-topped bluff on the right and are exposed by the Redlands Fault which lies just above the sharply upturned remnants of the Wingate Sandstone. 1976. Figure 29, U.S. Geological Survey Bulletin 1508.
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Album caption: Same as above. Mesa Verde scarp, Coyote Creek Valley and decline of San Juan Mtns. to south. Looking S. 60 degrees east. Colorado. n.d. No index card available.
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Morrison and "Lower Dakota" at Lykins Ranch, Little Thompson Creek. Colorado. January 10, 1910.
Categories: Image; Tags: Colorado, Photographers, photo print
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Finger Rock. A volcanic plug near Yampa. Colorado. 1905.
Categories: Image; Tags: Colorado, Colorado Images, photo print
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Microfossil of the oil shale of the Green River formation: Triangular pollen with very large apertures. Colorado or Utah. 1925. Plate 25, figure 2, U.S. Geological Survey. Professional paper 168. 1931.
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Album caption: View looking east across the Animas Valley, a few miles above Durango. Durango quadrangle. (C.W. Purington, 1896.) No index card.
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Fossiliferous rocks of Cretaceous age (possibly Mesaverde) about one mile east of Hot Sulphur Springs, Colorado. (Middle Park). 1916.
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Hoodoo rhyolite breccia. South slope of Horse Canyon, one mile west of Chimney Rock. Cochetopa quadrangle (?). Colorado. August 15, 1914. F-stop 16, 1/25 second.
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The Great Plains in eastern Colorado. In the distance are two lakes occupying basins supposed to have been hollowed out by the wind. Colorado. 1894.
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Album captiion: San Juan Mtns. and Coyote Creek Valley, from N. of divid between head of Montezuma and Coyote Creeks, at 8.200 ft., looking N. 40 degrees east. Colorado. n.d. No index card available.
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Album caption: Head of Yellow Jacket Creek and adjacent topog. showing Mesa Verde in right and Laramie in left, overlain by tertiary rising in rear, from near head of creek on Mesa Verde scarp at 7,800 ft., looking N. 70 de. W. Colorado. n.d. No index card available.
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Microfossil of the oil shale of the Green River formation: spores resembling those of Macrosporuim. sp. Colorado or Utah. 1925. Plate 20, figure 9, U.S. Geological Survey. Professional paper 168. 1931.
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Album caption: View of exposure at Stover's Store, 23 miles SW of Rico, Colo., showing Laplata sandstone and neighboring formations. 1925. No index card.
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Stove Prairie Dam site, horizontal view, looking up stream. Cache la Poudre River, 22 miles west of Fort Collins. Photo by G.B. McFadden. Larimer County, Colorado.
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Colorado National Monument, Colorado. Slick Rock Member of Entrada Sandstone in the west arm of Ute Canyon. Kayenta Formation, Slick Rock Member. Moab Member and Summerville and Morrison Formations poorly exposed above the cliff. Circa 1950. Figure 13, U.S. Geological Survey Professional paper 451.
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Colorado National Monument, Colorado. Lower part of the Summerville Formation along Rim Rock Drive at Artists Point. Circa 1950. Figure 18, U.S. Geological Survey Professional paper 451.
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Colorado National Monument, Colorado. Independence Monument, separating the two entrances of Monument Canyon, looking north from Grand View. Colorado River, Grand Valley, and Book Cliffs in the distance. Roan Cliffs are white cliffs at extreme distance on the right skyline. Dark rock flooring the canyon is Proterozoic metamorphic rock. Red material in the slope at the base of the cliffs is the Chinle Formation. Vertical cliffs are Wingate Sandstone. Thin protective caprock on the top of the cliffs is lower sandstone of the resistant Kayenta Formation. The top of Independence Monument is nearly 450 feet above the floor of the canyon. Figure 6, U.S. Geological Survey Bulletin 1508.
map background search result map search result map Microfossil of the oil shale of the Green River formation: spores resembling those of Macrosporuim. Colorado or Utah. 1925. Microfossil of the oil shale of the Green River formation: Triangular pollen with very large apertures. Colorado or Utah. 1925. The Great Plains in eastern Colorado. In the distance are two lakes occupying basins supposed to have been hollowed out by the wind. Colorado. 1894. Tepee buttes, Arkansas Valley. Eastern Colorado. 1894. Fossiliferous rocks at Hot Sulphur Springs, Colorado. 1916. Slick Rock Member of Entrada Sandstone in the west arm of Ute Canyon. Colorado National Monument, Colorado. 1950. Lower part of the Summerville Formation along Rim Rock Drive at Artists Point. Colorado National Monument, Colorado. 1950. Independence Monument. Colorado National Monument, Colorado. No Date. Ladder Creek Monocline and Redlands Fault. Colorado National Monument, Colorado. 1976. View looking east across the Animas Valley. Colorado. 1896. View of exposure at Stover's Store, southwest of Rico. Colorado. 1925. Laramie coal bearing bluffs. Colorado. No date. Head of Yellow Jacket Creek. Colorado. n.d. San Juan Mountains and Coyote Creek Valley. Colorado. n.d. Mesa Verde scarp, Coyote Creek Valley and decline of San Juan Mountains to south. Colorado. n.d. Fossiliferous rocks at Hot Sulphur Springs, Colorado. 1916. Slick Rock Member of Entrada Sandstone in the west arm of Ute Canyon. Colorado National Monument, Colorado. 1950. Lower part of the Summerville Formation along Rim Rock Drive at Artists Point. Colorado National Monument, Colorado. 1950. Independence Monument. Colorado National Monument, Colorado. No Date. Ladder Creek Monocline and Redlands Fault. Colorado National Monument, Colorado. 1976. The Great Plains in eastern Colorado. In the distance are two lakes occupying basins supposed to have been hollowed out by the wind. Colorado. 1894. Tepee buttes, Arkansas Valley. Eastern Colorado. 1894. View looking east across the Animas Valley. Colorado. 1896. View of exposure at Stover's Store, southwest of Rico. Colorado. 1925. Laramie coal bearing bluffs. Colorado. No date. Head of Yellow Jacket Creek. Colorado. n.d. San Juan Mountains and Coyote Creek Valley. Colorado. n.d. Mesa Verde scarp, Coyote Creek Valley and decline of San Juan Mountains to south. Colorado. n.d. Microfossil of the oil shale of the Green River formation: spores resembling those of Macrosporuim. Colorado or Utah. 1925. Microfossil of the oil shale of the Green River formation: Triangular pollen with very large apertures. Colorado or Utah. 1925.