(Facility) Inyo Copper Mines and Smelter Co.
California · Inyo County
Unconfirmed Copper Plant
Other Underground
Underground-eligible records without a more specific USGS work-type label. · 7171 records
These records remain underground-eligible based on other approved evidence fields, but the source work-type string is blank or nonspecific.
(Facility) Smelter Shaft
Nevada · Lincoln County
Unconfirmed Zinc Plant
Historical mapped workings available
11 Mile Adit
Nevada · Churchill County
Unconfirmed Copper Past Producer
16 to 1 Mine
Nevada · Esmeralda County
Unconfirmed Silver Producer
Documented adit evidence
56 Copper
Nevada · Pershing County
Unconfirmed Copper Past Producer
Documented shaft/adit evidence
81 Mine
Arizona · Yuma County
Unconfirmed Lead Past Producer
Historical mapped workings available
A & C Prospect
Nevada · Douglas County
Unconfirmed Tungsten Past Producer
Documented shaft evidence
A and H Claim
Nevada · Pershing County
Unconfirmed Gold Past Producer
Documented shaft evidence
A-1 Claims
Arizona · Greenlee County
Unconfirmed Manganese Past Producer
Historical mapped workings available
A-1 Group
Arizona · Graham County
Unconfirmed Manganese Past Producer
Historical mapped workings available
A. B. C. Mine
California · San Diego County
Unconfirmed Semiprecious Gemstone Past Producer
Historical mapped workings available
A.J.C. No.5 Claim
Nevada · Lander County
Unconfirmed Silver Past Producer
Documented shaft evidence
Abbie and Ross
Arizona · Gila County
Unconfirmed Copper Past Producer
Historical mapped workings available
Abc Claims
Arizona · La Paz County
Unconfirmed Manganese Past Producer
Abe Lincoln
Arizona · Yavapai County
Unconfirmed Copper Past Producer
Documented adit evidence
Abe Lincoln Mine
Nevada · Pershing County
Mindat Confirmed Gold Past Producer
Documented adit evidence
Abe Lincoln Mine
Nevada · Lincoln County
Unconfirmed Lead Past Producer
Historical mapped workings available
Abe Reed
Arizona · Graham County
Unconfirmed Lead Past Producer
Documented shaft evidence
Abril Mine
Arizona · Cochise County
Unconfirmed Copper Past Producer
Documented shaft/adit evidence
Accident Mine
Nevada · Clark County
Mindat Confirmed Lead Past Producer
Historical mapped workings available
Ace of Diamonds Claim
Nevada · Lander County
Unconfirmed Lead Past Producer
Historical mapped workings available
Ace of Spades
California · Tuolumne County
Unconfirmed Chromium Producer
Ackerman Mine
Nevada · Mineral County
Unconfirmed Gold Past Producer
Historical mapped workings available
Acme and Ruby Silver Groups
Arizona · Pima County
Unconfirmed Copper Past Producer