| Author: | Lorain, S. H. |
|---|---|
| Year: | 1938 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7015 |
| Series: | Information Circular / Bureau of Mines ; |
| Report Number: | 7015 |
| Subjects: | Gold--Milling |
| Gold mines and mining--Oregon | |
| Link: | https://hdl.handle.net/2027/mdp.39015077575614 |