| Author: | Ash, S. H. |
|---|---|
| Year: | 1941 |
| Document Type: | N/A |
| SUDOC: | I 28.7:619 |
| Series: | Technical paper (United States. Bureau of Mines) |
| Report Number: | Technical Paper 619 |
| Subjects: | Gold mines and mining -- California -- Nevada County. |
| Lava Cap Gold Mining Corporation. | |
| Gold mines and mining -- Safety measures. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc66443/ |