Document details
| Author: |
Engel, A. L. |
| Additional Authors: |
Heinen, H. J.
|
| Year: |
1949 |
| Document Type: |
BMRA |
| Issuing Agency: |
U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: |
I 28.23:4615 |
| Series: |
Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: |
4615 |
| Subjects: |
Mine examination--California--Placerville Region |
| Zinc ores--California--Placerville Region--Testing |
| Gold ores--California--Placerville Region--Testing |
| Link: |
https://hdl.handle.net/2027/mdp.39015078487124 |