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Mine detail: Helen Mine
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North America
United States
Washington
Clallam
Previously called 'Helen Mine-E Mt Muller RidgeHellenOlympic Peninsula Mn - 0530310200'
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Location
Lat / long:
48.08259, -124.00159
Resource(M)
Tertiary:
Manganese
Discovery year:
1958
Production
Operation type:
Surface
Development status:
Past Producer
Geology
References
MRDS
M700215
MAS
530090023
DEP
10130881
Reference
{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1,}{Deposit:: P. 255.}{Deposit:: U.S. BUREAU OF MINES RI 5530, 1959, P. 35.}
Reporter
Ridenour, James