| Author: | Wiebelt, Frank Joseph. |
|---|---|
| Additional Authors: | Ricker, Spangler. |
| Year: | 1948 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.23:4236 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4236 |
| Subject: | Iron ores--California--San Bernardino County |
| Link: | https://hdl.handle.net/2027/mdp.39015078480343 |