California · San Diego County
Past Producer
Risley Deposit
San Diego County, California, United States
Silica
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USGS source ↗
Commodities
Primary
Silica
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10214091
MRDS ID
W024857
Alternate names
Risley Burroughs DepositBurroughs Deposit
Region
NA
Data score
D
Coordinates
32.61587, -116.28273
References
CALIF. DIV. MINES AND GEOL. COUNTY REPORT 3, 1963, NO. 346,P. 215.