Washington · Mason County
Past Producer
Black Hump
Mason 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
1924
Identification
Deposit ID
10204747
MRDS ID
M700328
Alternate names
Tuff
Region
NA
Data score
D
Coordinates
47.53039, -123.32626
References
WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1,P. 260.