| Lat / long: | 39.20489, -121.04492 |
| Primary: | Gold |
| Secondary: | Lead, Zinc |
| Tertiary: | Arsenic |
| Ore: | Gold |
| Gangue: | Quartz |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Diabase |
| MRDS | C011368 |
| DEP | 10007495 |
| Reference | JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 90 - 91 , PL. 36 , 37 |
| Reporter | Bowman, J. And Albers, J., Mosier, Dan |