California · Riverside County
Producer
Sycamore Mines
Riverside County, California, United States
Semiprecious Gemstone
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USGS source ↗
Commodities
Primary
Semiprecious Gemstone
Commodity type
N
Economic & production
Development status
Producer
Identification
Deposit ID
10286268
Region
NA
Data score
D
Coordinates
33.43475, -116.67695
References
PERSONAL COMMUNICATION WITH OWNER 8/21/95.U.S. BUREAU OF MINES, 1994, DIRECTORY OF PRINCIPAL U.S.GEMSTONE PRODUCERS IN 1993; U.S. BUREAU OF MINES MINERALINDUSTRY SURVEYS, P. 13.