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Mine detail: Bertha Prospect
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North America
United States
Washington
Clallam
Previously called 'Olympic Peninsula Mn - 0530310200'
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Location
Lat / long:
48.01919, -123.75628
Resource(M)
Tertiary:
Iron, Manganese
Discovery year:
1940
Production
Operation type:
Surface
Development status:
Occurrence
Geology
References
MRDS
M700200
MAS
530090006
DEP
10301635
Reference
{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1,}{Deposit:: P. 254.}{Deposit:: U.S. BUREAU OF MINES RI 5530, 1959, P. 51-52.}
Reporter
Ridenour, James