Author: | Tibbetts, Benton L. |
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Year: | 1972 |
Document Type: | N/A |
SUDOC: | I 28.23:7584 |
Series: | United States Bureau of Mines Reports |
Report Number: | R. I. 7584 |
Subjects: | Prospecting -- Geophysical methods. |
Gold mines and mining -- California -- Nevada County. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38721/ |