| Author: | Van Barneveld, Charles E. |
|---|---|
| Year: | 1923 |
| Document Type: | N/A |
| SUDOC: | I 28.7:312 |
| Series: | Technical paper (United States. Bureau of Mines) |
| Report Number: | Technical Paper 312 |
| Subject: | Copper -- Metallurgy. |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc66461/ |