Search for all of "Geologic", all of "Longwell Chester R chester Ray 1887-1975", all of "Geology -- Nevada -- Eldorado Mountains -- Maps"

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Geologic map and sections of area along Colorado River between Lake Mead and Davis Dam,... At top of map: 'United States, Department of Interior, Geological Survey. Professional Paper 374-E, plate 1.' In lower right corner of map: 'Geology mapped by C.R. Longwell.' Relief shown by contours. Includes seven colored cross-sections.

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