Filters: Tags: California Professional Paper 73 (X)
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Vertical shearing in granite north of Charity valley. County, California. Circa 1895. Plate 7-B in U.S. Geological Survey. Professional paper 73. 1911.
West spur of Mount Raymond from Indian Valley, showing rough character of ridges of andesite. Alpine County, California. Circa 1895. Plate 7-A in U.S. Geological Survey. Professional paper 73. 1911.
Hills of andesitic tuff breccia 1.5 miles north of Bloods, Calaveras County, California. Circa 1895.
Hills of andesitic tuff breccia 1.5 miles north of Bloods, Calaveras County, California. Circa 1895. Plate 6-A in U.S. Geological Survey. Professional paper 73. 1911.
Looking north from road just south of Dutch Flat, the white streak in the middle is washed gravel of the main channel, the bottom of which lies 100 feet below the point of observation. Slate ridges of Camel Hump in the distance. Photograph by J.C. Hawyer. Placer County, California. Circa 1902. Plate 21-A in U.S. Geological Survey. Professional paper 73. 1911.
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Tags: California Professional Paper 73,
Lindgren, W. Collection,
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