| Lat / long: | 39.20878, -121.05631 |
| Primary: | Gold |
| Secondary: | Lead, Zinc |
| Tertiary: | Silver |
| Ore: | Gold |
| Gangue: | Quartz |
| Orebody form: | SEAM, IRREGULAR SHOOTS QTZ. IS SHEARED, MASSIVE AND COMB |
| Operation type: | Unknown |
| Production size: | Large |
| Development status: | Past Producer |
| Host type: | Diabase |
| MRDS | C011334 |
| DEP | 10007471 |
| Reference | {Deposit:: LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 .}{Deposit:: MACBOYLE, E., 1918 , MINES AND MINERAL RESOURCES OF NEVADA COUTNY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 16 , P. 230 - 233 .}{Deposit:: JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 83 - 86 .}{Production:: MACBOYLE ( 1918 ) JOHNSON ( 1940 )} |
| Reporter | Bowman, J. And Albers, J., Beougher, Delilah J. (Spanski, Gregory T.), Mosier, Dan |