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Panoramas looking south from the south end of Teller Mountain near the Cashier Mine; glacial trenching of the Flattop peneplain is well shown. Summit County, Colorado. Circa 1927. Plate 8-B, U.S. Geological Survey, Professional paper 178. 1935.
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Idaho Springs formation on east side of Grays Peak; shows sill like seams of aplite and pegmatite parallel to the nearly horizontal schistosity and cross-breaking branch seams. Clear Creek County, Colorado 1930. Plate 6-A, U.S. Geological Survey, Professional paper 178. 1935. Figure 7-B, U.S. Geological Survey, Professional paper 223, 1950.
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Oblique aerial view looking southward toward Loveland Pass; showing Revenue Mountain on the extreme left to Keystone Mountain on the extreme right. Clear Creek and Summit Counties, Colorado. circa 1933. Plate 2-A, with sketch, in U.S. Geological Survey. Professional paper 178. 1935.
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Typical exposure of Swandye hornblende gneiss near head of St. Johns Gulch, the gneissic structure of the dark gray hornblende gneiss is accentuated by the parallel and crosscutting light gray seams of pegmatite and aplite. The dip of the formation is nearly horizontal at this outcrop, which is near the crest of an anticline. Summit County, Colorado. circa 1927. Plate 7-A, U.S. Geological Survey, Professional paper 178. 1935.
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Oblique aerial view looking southeastward up Leavenworth Creek; showing South Park on the extreme left background to Grays Peak on the extreme right. Clear Creek County, Colorado. circa 1933. Plate 1-A, with sketch, in U.S. Geological Survey. Professional paper 178. 1935.
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Panoramas looking south from the south end of Teller Mountain near the Cashier Mine; glacial trenching of the Flattop peneplain is well shown. Summit County, Colorado. Circa 1927. Plate 8-B, U.S. Geological Survey, Professional paper 178. 1935.
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Glacial lake at head of Smelter Gulch, viewed from Mount Lewis (Square Top Mountain), Clear Creek County, Colorado. circa 1927. Plate 10-A, U.S. Geological Survey, Professional paper 178. 1935.