| Lat / long: | 37.92711, -120.73021 |
| Tertiary: | Gold, Copper, Lead, Silver, Zinc |
| Other material: | Barite, Calcite, Chalcopyrite, Galena, Gold, Pyrite, Quartz, Silver, Sphalerite |
| Discovery year: | 1860 |
| Operation type: | Underground |
| Development status: | Past Producer |
| First production started: | 1865 |
| MAS | 60090152 |
| DEP | 10162830 |
| Reference | {Deposit:: HEYL,G.R.,1948,ZINC-COPPER MINES OF THE QUAIL HILL AREA,CALA}{Deposit:: COUNTY,CALIF.,CALIF.DIV.MINES BULL.144,P.122-124.PRELIMINARY}{Deposit:: N THE NAPOLEON COPPER MINE BY E.HNUTTER,OWNER.ERIC,J.H.,1948}{Deposit:: TED LIST OF COPPER DEPOSITS IN CALIF.CALIF.DIV.MINES BULL 14}{Deposit:: LOGAN,C.A.,AND FRANCE,H.A.,1936A,MINES AND MINERAL RESOURCES}{Deposit:: AVERAS COUNTY:CALIF.DIV.MINES REPT.32,P.314} |
| Reporter | Western Field Operations Center (WFOC) |