California · San Diego County
Prospect
Mason Valley Gem Claim
San Diego County, California, United States
Gemstone
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USGS source ↗
Commodities
Primary
Gemstone
Commodity type
N
Economic & production
Development status
Prospect
Identification
Deposit ID
10213767
Alternate names
Mason Valley Claim
Region
NA
Data score
D
Coordinates
32.97506, -116.46334
References
CALIF. DIV. MINES AND GEOL. COUNTY REPORT 3, 1963, NO. 111,P. 107.TOWNSHIP REPORTED IN ABOVE REFERENCE IS IN ERROR.