California · San Luis Obispo County
Past Producer

Keystone Mine

San Luis Obispo County, California, United States
Mercury
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMercury
Commodity typeM
Economic & production
Development statusPast Producer
Identification
Deposit ID10165233
MRDS IDM055782
RegionNA
Data scoreD
Coordinates35.65966, -121.07569
References
CALIF. JOUR. MINES AND GEOL., V. 35, 1939, P. 433.U.S. GEOLOGICAL SURVEY BULLETIN 922-R, 1941, P. 548-549, 572-573.U.S. BUREAU OF MINES IC 8252, 1965, P. 195.