Cambrian shale (dark rock) cut by alaskite (light rock), south slope of Columbia Mountain. Esmeralda County, Nevada. 1905.
Dates
Date Taken
1905
Summary
Cambrian shale (dark rock) cut by alaskite (light rock), south slope of Columbia Mountain. Esmeralda County, Nevada. 1905. Plate 5-B in U.S. Geological Survey. Professional paper 66. 1909.
Summary
Cambrian shale (dark rock) cut by alaskite (light rock), south slope of Columbia Mountain. Esmeralda County, Nevada. 1905. Plate 5-B in U.S. Geological Survey. Professional paper 66. 1909.
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