11 Mile Adit
Nevada · Churchill County
Unconfirmed Copper Past Producer
Development Status: Past Producer
10337 underground-eligible catalog records with this USGS development status.
Development status is not verification status
USGS development status (Producer, Past Producer, Prospect, Occurrence) describes the source record’s development context. UndergroundMines verification status (Unconfirmed, Verified, etc.) is a separate community/admin confirmation layer.
4-M Lease
Nevada · Elko County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
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 & B Reeves
California · Amador County
Unconfirmed Gold Past Producer Underground
Documented adit evidence
A & C Prospect
Nevada · Douglas County
Unconfirmed Tungsten Past Producer
Documented shaft evidence
A and B Mine
Nevada · Nye County
Unconfirmed Mercury Past Producer Mixed Underground/Surface
Historical mapped workings available
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. C. Smith
California · Mariposa County
Unconfirmed Copper Past Producer Underground
Documented adit evidence
A.J.C. No.5 Claim
Nevada · Lander County
Unconfirmed Silver Past Producer
Documented shaft evidence
Abbey Mine
California · Madera County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Abbie and Ross
Arizona · Gila County
Unconfirmed Copper Past Producer
Historical mapped workings available
Abbie L.
California · Tuolumne County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Abbott
California · Lake County
Unconfirmed Mercury Past Producer Underground
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
Arizona · Yavapai County
Source Corroborated Copper Past Producer Underground
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
Abe Reed Mine
Arizona · Graham County
Unconfirmed Lead Past Producer Underground
Documented shaft evidence