Records
378
Calaveras County Underground Mines
California · 378 underground-eligible records
Verified
0
Unconfirmed
378
With photos
0
Major commodities
- Gold · 337
- Copper · 22
- Chromium · 12
- Iron · 3
- Silver · 2
- Asbestos · 1
- Molybdenum · 1
Working types (source)
- Underground · 240
- Other / unspecified · 85
- Mixed Underground/Surface · 53
Related mining districts
- Mother Lode Belt · 19
Mines in this county
Bell Prince
California
Unconfirmed Copper
Historical mapped workings available
Belle Mine
California
Unconfirmed Gold
Bence Mine
California
Unconfirmed Gold
Historical mapped workings available
Billy Williams
California
Unconfirmed Gold
Bismark
California
Unconfirmed Gold
Black Bart Mine
California
Unconfirmed Gold
Black Wonder Extension
California
Unconfirmed Gold
Historical mapped workings available
Black Wonder Mine
California
Unconfirmed Gold
Documented shaft evidence
Blazing Star
California
Unconfirmed Gold
Documented shaft evidence
Blizzard Mine
California
Unconfirmed Gold
Historical mapped workings available
Blue Bell
California
Unconfirmed Gold
Documented shaft evidence
Blue Jay
California
Unconfirmed Gold
Documented adit evidence
Blue Jay
California
Unconfirmed Gold
Historical mapped workings available
Bolitha
California
Unconfirmed Gold
Historical mapped workings available
Bon Ton Mine
California
Unconfirmed Gold
Bonanza
California
Unconfirmed Gold
Historical mapped workings available
Bonanza Mine
California
Unconfirmed Gold
Documented shaft/adit evidence
Boston Flat
California
Unconfirmed Gold
Bright Star
California
Unconfirmed Gold
Documented adit evidence
Bruce
California
Unconfirmed Gold
Historical mapped workings available
Buckhorn Consolidated
California
Unconfirmed Gold
Historical mapped workings available
Buena Vista
California
Unconfirmed Gold
Historical mapped workings available
Bullion
California
Unconfirmed Gold
Historical mapped workings available
Bund Prospect
California
Unconfirmed Copper
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