| Author: | Toepfer, Peter H. |
|---|---|
| Year: | 1953 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:4989 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4989 |
| Subject: | Copper mines and mining--Washington--Snohomish County |
| Link: | https://hdl.handle.net/2027/mdp.39015078478321 |