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Drilling and Sampling Tertiary Gold-Bearing Gravels at Badger Hill, Nevada County, California
Report issued by the Bureau of Mines over gold-bearing deposits of Nevada County, California. Drilling and sampling of these gold deposits are discussed. This report includes tables, maps, illustrations, and photographs.
Geophysical Measurements of Gold-Bearing Gravels, Nevada County, California
Report issued by the Bureau of Mines over development of geophysical equipment. Methods and instruments used during the studies are presented. This report includes tables, maps, and illustrations.
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