REFINE
Browse All : Geologic Atlas and Geology by Graves, W. H.
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Author
[Bishop, F. M., De Motte, B. C., Geological and Geographical Survey of the Territories (U.S.), Powell, John Wesley, 1834-1902, Thompson, A. H. (Almon Harris), 1839-1906]
Note
Colored lithographed map. Relief shown by contours, spot heights and hachures. Shows distribution of 20 sedimentary groups and one eruptive rock Trachyte.
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