Mining and milling methods at the Pilgrim mine, Chloride, Ariz. / by Earl F. Hastings.
Saved in:
| Online Access: |
Search for the full-text version of this title in HathiTrust |
|---|---|
| Main Author: | |
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
Dept. of the Interior, U.S. Bureau of Mines,
1937.
|
| Series: | Information circular (United States. Bureau of Mines) ;
6945. |
| Subjects: |
| Item Description: | At head of title: Department of Commerce--Bureau of Mines. No.6926-6950 issued bound together. |
|---|---|
| Physical Description: | 18 pages : illustrations ; 28 cm. |
| Action Note: | committed to retain |