Lat / long: | 40.28565, -123.32971 |
Tertiary: | Calcium, Manganese, Silica |
Other material: | Chert, Pyrolusite, Rhodochrosite |
Discovery year: | 1942 |
Operation type: | Underground |
Development status: | Past Producer |
MAS | 61050083 |
DEP | 10214705 |
Reference | CA BULL 125 P 205 NATIVE COPPER PRESENT |
Reporter | Deino, Al |