| Lat / long: | 37.63131, -121.50522 |
| Tertiary: | Manganese, Silica |
| Other material: | Chert, Psilomelane, Rhodochrosite |
| Operation type: | Underground |
| Development status: | Past Producer |
| MRDS | M020144 |
| MAS | 60770003 |
| DEP | 10286802 |
| Reference | {Deposit:: C.D.M.G. BULL. 152,PG. 222;1950}{Deposit:: USBM RI 4580}{Deposit:: NW OF THE LADD MINE} |
| Reporter | Burnett |