Oregon · Clackamas County
Past Producer
Francis Welsh Silica Mine
Clackamas County, Oregon, United States
Silica
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USGS source ↗
Commodities
Primary
Silica
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10200671
Region
NA
Data score
D
Coordinates
45.36591, -122.59259
References
OR. DEPT. GEOL. AND MIN. INDUST. SPECIAL PAPER 3, 1978.