Lat / long: | 39.30157, -123.17029 |
Tertiary: | Manganese, Silica |
Other material: | Chert, Psilomelane, Pyrolusite |
Discovery year: | 1915 |
Operation type: | Surface-Underground |
Development status: | Past Producer |
First production started: | 1916 |
MRDS | M010043 |
MAS | 60450022 |
DEP | 10261495 |
Reference | {Deposit:: CDMG,BULL.152,1950,P.137-139}{Deposit:: CDMG,BULL.#76,P16,46-48,93,1918}{Deposit:: TRENGROVE,R.R.,USBM REPT.INV.5579,P.10-11}{Deposit:: USGS FILE OF WWI}{Deposit:: CJMG V.49, #4 PG.363 (1953)} |
Reporter | Deino, Al |