Washington · Jefferson County
Past Producer
Lower Middle Ledge
Jefferson County, Washington, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Past Producer
Discovery year
1951
Identification
Deposit ID
10277032
Alternate names
Lower Middle Ledge-
Region
NA
Data score
D
Coordinates
47.7326, -123.12545
References
U.S. BUREAU OF MINES RI 5530, 1957, P. 57.