| Author: | Gardner, E. D. |
|---|---|
| Year: | 1936 |
| Document Type: | USBI |
| SUDOC: | I 28.27:6898 |
| Series: | U.S. Bureau of Mines. Information circular |
| Report Number: | no. 6898 |
| Subjects: | Ores--Transportation |
| Mines and mineral resources--West (U.S.) | |
| Links: | https://hdl.handle.net/2027/mdp.39015074128441 |
| https://hdl.handle.net/2027/mdp.39015095086305 |