Maryland · Montgomery County
Past Producer
Etchison Mine
Montgomery County, Maryland, United States
Aluminum
Calcium
Chromium
Iron
Magnesite
Silica
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USGS source ↗
Commodities
Tertiary
Aluminum, Calcium, Chromium, Iron, Magnesite, Silica
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10243171
Region
NA
Data score
D
Coordinates
39.25533, -77.15638
References
PEARRE N HEYL A JR USGS BULL 1082K PG 755 1960