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Guide to prospecting for lode gold
| Author: | Gardner, E. D. |
|---|---|
| Additional Authors: | Clawson, Marion. |
| Year: | 1950 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7535 |
| Series: | Information circular / United States Bureau of Mines ; |
| Report Number: | 7535 |
| Subjects: | Prospecting |
| Gold mines and mining | |
| Link: | https://hdl.handle.net/2027/mdp.39015078464016 |
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