| Location: | Nevada County, California, United States, North America |
| Lat / long: | 39.19489, -121.03825 |
| dep_id: | 10007254 |
| mrds_id: | C010928 |
| Commodity type: | metallic |
| Major mineral: | Gold |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| ore: | Gold |
| gangue: | Quartz |
| Reporter: | Bowman, J. And Albers, J. |
| hrock_type: | Diabase |
| References: |
- JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 . P. 92 , PL. 38
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