California · Riverside County
Plant
Metropolitan Portal Rock Stockpile
Riverside County, California, United States
Magnesite
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USGS source ↗
Commodities
Primary
Magnesite
Commodity type
M
Deposit
Workings
Surface
Economic & production
Development status
Plant
First production
1976
Discovery year
1960
Identification
Deposit ID
10261293
Region
NA
Data score
D
Coordinates
33.90283, -116.78366
References
MSHA RPT DATED SEPT 1980.