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Northward dipping strata in the Uncompahgre valley at Ouray; the clearly defined layers are of Paleozoic and Mesozoic age. They were uplifted and arched at the end of the Mesozoic era. Overlying the sedimentary rocks are thick accumulations of volcanic rocks. The village of Ouray is located on a torrential fan. Ouray County, Colorado. August 29, 1904. Plate 7-A, U.S. Geological Survey Professional paper 166. 1932.
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Album caption: Sneffels. Index card: Views of Sneffels mining camp. San Juan Mountains. Ouray County, Colorado. July 16, 1972.
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Album caption: Red Mountain from High line up Red Creek. Turtle Mountain ridge in shadow beyond. (Silverton Quad). Colorado. Handwritten notes on album caption: Ouray County, n.d.
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Porphyry dike cutting San Juan tuff on divide at head of Dexter Creek, illustrates the common texture, rude bedding and general appearance of the San Juan tuff-agglomerate where little altered. The dike is one of several crossing Cow Creek with similar wall-lake outcrops. Ouray County, Colorado. August 8, 1904. Figure 5 in U.S. Geological Survey. Folio 153. 1907.
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Album caption: Camp near summit, looking east toward Red Mountain. Cloudy and rainy. (Silverton Quad.) Colorado. Handwritten notes on album caption: Ouray County, n.d.
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Album Caption: "Talus glacier" in basin east of Silver Basin. Shows upper surface and relations to cliff talus. Silverton quadrangle, Ouray County, Colorado. 1899. Photo by Spencer and Howe. Published in U.S. Geological Survey Professional paper 67, Plate 10-A. 1909.
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Album Caption: View in Imogene Basin. Talus or "slide glacier" between old and new workings of the campbird mine. Silverton quadrangle, Ouray County, Colorado. 1899. Published in U.S. Geological Survey Professional paper 67, Plate 13-B. 1909.
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Album caption: Uncompahgre Canyon, below Red Creek. Road cut in quartzite on end. (Ouray Quad.) Colorado. Handwritten notes on album caption: Ouray County, n.d.
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Album Caption: From bench at 11,500 feet north of Full Moon Gulch, looking down valley of Red Creek. Cliffs of San Juan tuff on left. Silverton quadrangle, Ouray County, Colorado. September 11, 1900. Published in U.S. Geological Survey. Professional paper 67, Plate 1. 1909.
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Rock stream in lower portion of Silver basin, Silverton quadrangle, detail of surface; the outer rim of the rhyolite debris indicated in Howe photo 50, is shown on the left. Ouray County, Colorado. 1#1:30 a.m. September 18, 1900. Plate 14-A in U.S. Geological Survey. Professional paper 67. 1909.
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The Amphitheater and cliffs to the north from a point west of Uncompahgre River, illustrates the unconformity below the Dolores formation. This nearly horizontal strata at the level of the point of view are above the unconformity; the inclined strata below belong to the Hermosa and Cutler formations. The back wall of The Amphitheater is San Juan tuff-agglomerate; its floor is landslide debris. Ouray County, Colorado. August 22, 1904. Figure 7 in U.S. Geological Survey. Folio 153. 1907.
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Rock stream in lower portion of Silver basin, Silverton quadrangle, the outer rim of lighter color than the rest of the stream consists of debris of rhyolite of the Potosi volcanic series; the rest of the detritus of dark tone was derived from andesitic rocks of the Silverton volcanic series. Ouray County, Colorado. 11 a.m. September 18, 1900. Plate 13-A in U.S. Geological Survey. Professional paper 67. 1909.
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Album Caption: Rock glacier of Silver basin. From talus slope on east side of basin. Shows relation of glacier to basin. Silverton quadrangle, Ouray County, Colorado. September 17, 1900. Published in U.S. Geological Survey Professional paper 67, Plate 13-B. 1909. Published in U.S. Geological Survey Professional paper 166, Plate 30. 1932. Published in U.S. Geological Survey Folio 120, figure 4. 1905.
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Album Caption: "Talus Glacier" in Silver Basin, from the north. Shows front and relation to basin. Silverton quadrangle, Ouray County, Colorado. 1899. Photo by Spencer and Howe. Published in U.S. Geological Survey Professional paper 67, Plate 12-B. 1909.
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Looking westward across Cow Creek and Uncompahgre valley from a hill south of Lou Creek, illustrating the gravel deposits of the Uncompahgre valley. In the central foreground is a bench of the later terrace gravels trenched by Lou Creek. At the extreme right is the dip slope of the earlier terrace gravels, which also cap the hill from which the view is taken. The two gravel covered mesas to the right of the center lie just beyond Cow Creek. Beyond these mesas is the valley of Uncompahgre and beyond that is the slope covered by earlier gravels, rising to Horse Fly Peak, a small prominence on the skyline near the center of the view. At that point lie older glacial gravels. The left half of the view embraces the hills...
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Looking westward across Cow Creek and Uncompahgre valley from a hill south of Lou Creek, illustrating the gravel deposits of the Uncompahgre valley. In the central foreground is a bench of the later terrace gravels trenched by Lou Creek. At the extreme right is the dip slope of the earlier terrace gravels, which also cap the hill from which the view is taken. The two gravel covered mesas to the right of the center lie just beyond Cow Creek. Beyond these mesas is the valley of Uncompahgre and beyond that is the slope covered by earlier gravels, rising to Horse Fly Peak, a small prominence on the skyline near the center of the view. At that point lie older glacial gravels. The left half of the view embraces the hills...
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Album caption: Red Mountain from camp near Summit. Rainy weather. (Silverton Quad.) Colorado. Handwritten notes on album caption: Ouray County, n.d.
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Album caption: View in Imogene Basin. Talus or "slide" glacier" between old and new workings of the Campbird mine. Silverton quadrangle, Ouray County, Colorado. 1899. (Photo by Spencer and Howe). Handwritten notes on album caption: Published as Plate 14-B in USGS Professional paper 67. See mounted photo in file.
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Details of landslide topography southeast of Corkscrew Gulch, Red Mountain district, Silverton quadrangle, the ridge sparsely covered by trees consists of rocks in place; the material in the foreground is landslide debris alone. Ouray County, Colorado. 10:50 a.m. September 14, 1900. Plate 8-B in U.S. Geological Survey. Professional paper 67. 1909.
map background search result map search result map Sneffels mining camp. San Juan Mountains. Ouray County, Colorado. 1972. The Amphitheater and cliffs to the north from a point west of Uncompahgre River, illustrates the unconformity below the Dolores formation. Ouray County, Colorado. 1904. Northward dipping strata in the Uncompahgre valley at Ouray. Ouray County, Colorado. 1904. Looking westward across Cow Creek and Uncompahgre valley from a hill south of Lou Creek. Ouray County, Colorado. 1904. Camp near summit, looking east toward Red Mountain. Ouray County, Colorado. n.d. Red Mountain, seen in rainy weather, from camp near Summit. Silverton quadrangle, Ouray County, Colorado. n.d. Red Mountain from High line up Red Creek. Silverton quadrangle, Ouray County, Colorado. n.d. Uncompahgre Canyon, below Red Creek. Ouray quadrangle, Ouray County, Colorado. n.d. View in Imogene Basin. Talus or slide glacier between old and new workings of the Campbird mine. Silverton quadrangle, Ouray County, Colorado. 1899. Sneffels mining camp. San Juan Mountains. Ouray County, Colorado. 1972. The Amphitheater and cliffs to the north from a point west of Uncompahgre River, illustrates the unconformity below the Dolores formation. Ouray County, Colorado. 1904. Northward dipping strata in the Uncompahgre valley at Ouray. Ouray County, Colorado. 1904. Looking westward across Cow Creek and Uncompahgre valley from a hill south of Lou Creek. Ouray County, Colorado. 1904. Camp near summit, looking east toward Red Mountain. Ouray County, Colorado. n.d. Red Mountain, seen in rainy weather, from camp near Summit. Silverton quadrangle, Ouray County, Colorado. n.d. Red Mountain from High line up Red Creek. Silverton quadrangle, Ouray County, Colorado. n.d. Uncompahgre Canyon, below Red Creek. Ouray quadrangle, Ouray County, Colorado. n.d. View in Imogene Basin. Talus or slide glacier between old and new workings of the Campbird mine. Silverton quadrangle, Ouray County, Colorado. 1899.