Mine detail: Keystone

Previously called ''

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Location

Lat / long: 47.44232, -120.98868

Resource(M)

Primary: Mercury
Tertiary: Gold, Nickel

Production

Operation type: Underground
Development status: Prospect

Geology

References

MRDSM054849
MAS530370170
DEP10253128
Reference{Deposit:: HODGES, L.K., 1897, MINING IN THE PACIFIC NORTHWEST: THE}{Deposit:: POST INTELLIGENCER, SEATTLE, WA, P. 65; CLE ELUM MAP NO.}{Deposit:: 70.}{Deposit:: WA. DIV. MINES AND GEOL. BULLETIN 37, 1956, PART II, VOL. 1,}{Deposit:: P. 264.}
ReporterCausey, J. Douglas