 |
|
Mining methods and costs at the Magma Mine, Superior, Ariz.
| Author: | Snow, Fred W. |
|---|---|
| Year: | 1929 |
| Document Type: | MAIN |
| SUDOC: | C 22.11:6168 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6168 |
| Subject: | Copper mines and mining--Arizona |
| Link: | https://hdl.handle.net/2027/mdp.39015095078658 |
Search developed and maintained by the University of Washington Libraries
Copyright 2010