| Lat / long: | 37.92882, -120.4399 |
| Tertiary: | Chromium, Iron |
| Other material: | Antigorite, Asbestos, Chromite, Olivine, Pyroxene |
| Discovery year: | 1860 |
| Operation type: | Underground |
| Development status: | Past Producer |
| First production started: | 1908 |
| MRDS | W025971 |
| MAS | 61090185 |
| DEP | 10238618 |
| Reference | {Deposit:: C.D.M AND G BULL 134,PT.3,SIERRA NEVADA CHAP 1,P.14,1948}{Deposit:: COOPERATIVE WAR MINERALS INVEST IN CAL.TUOLUMNE CO.#25,UNPU}{Deposit:: 18 CALIFORNIA STATE MINING BUR BULL NO.76,PP.213-214,BRADL} |
| Reporter | Stinson |