Mine detail: Portland

Previously called ''

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Location

Lat / long:

43.86989, -114.61482

Resource(M)

Primary:	Silver
Tertiary:	Zinc, Lead

Production

Operation type:	Underground
Development status:	Past Producer

Geology

References

MRDS	W013755
MAS	160130398
DEP	10217005
Reference	VANNOY & OTHERS, 1986, USGS BULL.1545E, P.419, PL.3, NO.214
Reporter	McHugh, Edward L.