Acme Mine
California · San Bernardino County
Unconfirmed Talc-Soapstone Past Producer
Historical mapped workings available
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.
Acolian Group
Arizona · Pima County
Unconfirmed Lead Past Producer
Documented shaft evidence
Ada & Edith Claims
Nevada · Clark County
Unconfirmed Lead Past Producer
Documented shaft/adit evidence
Ada H. Mine
Nevada · Elko County
Source Corroborated Lead Past Producer
Documented shaft/adit evidence
Adams
Arizona · Mohave County
Unconfirmed Gold Past Producer
Adams
Nevada · Esmeralda County
Unconfirmed Gold Past Producer
Historical mapped workings available
Adams Mine Group
Arizona · Yuma County
Unconfirmed Fluorine-Fluorite Past Producer
Historical mapped workings available
Adams Rib Mine
Nevada · Nye County
Unconfirmed Gold Past Producer
Historical mapped workings available
Adamson Mine
Nevada · Humboldt County
Unconfirmed Gold Past Producer
Documented adit evidence
Addison Mine
Nevada · Clark County
Source Corroborated Zinc Past Producer
Documented adit evidence
Adelaide Crown Mines
Nevada · Humboldt County
Unconfirmed Gold Past Producer
Historical mapped workings available
Adelaide Crown Mines
Nevada · Humboldt County
Unconfirmed Gold Past Producer
Historical mapped workings available
Adelaide Mine
Nevada · Humboldt County
Mindat Confirmed Gold Plant
Documented shaft/adit evidence
Adeline Magesite Mine
California · Tulare County
Unconfirmed Magnesite Past Producer
Adjust Group
Arizona · Pinal County
Unconfirmed Zinc Past Producer
Historical mapped workings available
Adrian Alexander
California · Fresno County
Unconfirmed Tungsten Past Producer
Adriene Mine
Nevada · Pershing County
Unconfirmed Antimony Past Producer
Advance Mine
Nevada · Lincoln County
Unconfirmed Gold Past Producer
Historical mapped workings available
Afton Canyon
California · San Bernardino County
Unconfirmed Manganese Past Producer
Agamemnon Mine
Nevada · Pershing County
Unconfirmed Antimony Past Producer
Documented adit evidence
Aguinaldo Extension
Arizona · Pima County
Unconfirmed Copper Past Producer
Aguinaldo Mine Group
Arizona · Pima County
Unconfirmed Silver Past Producer
Historical mapped workings available
Ah Wai Drift
California · Mariposa County
Mindat Confirmed Gold Past Producer
Historical mapped workings available
Airport 1
Nevada · Pershing County
Unconfirmed Mercury Past Producer
Historical mapped workings available