Maryland · Baltimore County
Past Producer
Calhoun Mine
Baltimore County, Maryland, United States
Chromium
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USGS source ↗
Commodities
Tertiary
Chromium
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10145365
Region
NA
Data score
D
Coordinates
39.43832, -76.82527
References
PEARRE N HEYL A JR USGS BULL 1082K PG 759 1960