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Geological Map of the New Idria District.
Becker, George F.
Geological Map of the N...
1887
4580.004
Related
 
Author
Becker, George F.
Full Title
Geological Map of the New Idria District. U.S. Geological Survey. Monograph XIII, Atlas Sheet VI. J.D. Hoffman, Topographer. Giles Litho. & Liberty Printing Co. N.Y. Geo. F. Becker, Geologist in charge.
List No
4580.004
Note
Shows in color three classes of rock. Relief shown by 40-foot contour lines. Shows streams, settlements, mines, trails, and roads.
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