Maryland · Washington County
Past Producer
Dargan Mine
Washington County, Maryland, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Past Producer
First production
1908
Discovery year
1908
Identification
Deposit ID
10194353
Region
NA
Data score
D
Coordinates
39.37443, -77.7405
References
U.S.G.S. BULLETIN 640-C, P. 69EXAMINATIONS REPORT 91.303