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Methods and costs of dredging auriferous gravels at Lancha Plana, Amador County, Calif.
| Author: | Patmon, Charles G. |
|---|---|
| Year: | 1932 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.11:6659 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6659 |
| Subjects: | Dredges--California--Amador County |
| Gold mines and mining--California--Amador County | |
| Link: | https://hdl.handle.net/2027/mdp.39015086485755 |
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