Oregon · Grant County
Prospect
Porphyry Mill Claims
Grant County, Oregon, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold
Tertiary
Silver
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10201772
MRDS ID
M015747
Region
NA
Data score
D
Coordinates
44.71375, -118.79386
References
OR. BUREAU OF MINES METAL MINES HANDBOOK, 1919, V. 2, P. 182.