Mine detail: Portland Mine

Previously called ''

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Location

Lat / long: 35.38081, -114.51331

Resource(M)

Primary: Gold
Secondary: Silver
Other material: Gold
Discovery year: 1920

Production

Operation type: Surface-Underground
Development status: Past Producer

Geology

References

MRDSM241495
MAS40150715
DEP10283253
Reference{Deposit:: ADMR PORTLAND MINE FILE}{Deposit:: GARDNER E D GOLD MINING AND MILLING IN THE BLACK MTS}{Deposit:: USGS IC 6901 1936 P 48}{Deposit:: BLM ARIZONA MINING CLAIMS NO 28157}{Deposit:: ALSO IN SEC 14}{Reserve-Resource:: NIEMUTH, N.J. ARIZONA MINERAL DEVELOPMENT 1984-1986. AZ}{Reserve-Resource:: DEP. MINES AND MINER. RESOUR., REP. D-29(87), 1987, 46 PP.}
ReporterGosling