| Lat / long: | 39.19211, -121.06436 |
| Primary: | Gold |
| Secondary: | Silver, Lead |
| Ore: | Galena, Gold, Pyrite |
| Gangue: | Quartz |
| Orebody form: | MASSIVE, RIBBON & SHEARED |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Diabase |
| Structure: | To Nw, Vein In Fracture Zone |
| MRDS | C010970 |
| DEP | 10007273 |
| Reference | {Deposit:: MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 162 - 163 .}{Deposit:: JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 79 - 82 .}{Production:: MACBOYLE ( 1918 )} |
| Reporter | Bowman, J. And Albers, J., Beougher, Delilah J. (Spanski, Gregory T.), Mosier, Dan |