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Placer mining in the western United States :part 1. general information, hand-shoveling, and ground-sluicing
| Author: | Gardner, E. D. |
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| Additional Authors: | Johnson, C. H. |
| Year: | 1934 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.27:6786 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6786 |
| Subjects: | Hydraulic mining |
| Gold mines and mining--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015074128235 |
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