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Mine detail: Knowles
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North America
United States
Washington
Grays Harbor
Previously called ''
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Location
Lat / long:
47.42309, -123.64816
Resource(M)
Tertiary:
Manganese
Discovery year:
1956
Production
Operation type:
Surface
Development status:
Occurrence
Geology
References
MAS
530270014
DEP
10277064
Reference
{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1,}{Deposit:: P. 258.}
Reporter
Ridenour, James