Records
29
Sonoma County Underground Mines
California · 29 underground-eligible records
Verified
0
Unconfirmed
29
With photos
0
Major commodities
- Mercury · 23
- Copper · 3
- Chromium · 2
- Manganese · 1
Working types (source)
- Underground · 18
- Other / unspecified · 6
- Mixed Underground/Surface · 5
Related mining districts
- West Mayacmas · 16
Mines in this county
Ann Belcher
California
Unconfirmed Mercury
Archer
California
Unconfirmed Copper
Black Bear
California
Unconfirmed Mercury
Buckeye
California
Unconfirmed Mercury
Documented adit evidence
Cinnabar King Group
California
Unconfirmed Mercury
Contact
California
Unconfirmed Mercury
Documented shaft evidence
Cornucopia
California
Unconfirmed Copper
Crystal
California
Unconfirmed Mercury
Documented adit evidence
Denver and Hope
California
Unconfirmed Mercury
Esperanza
California
Unconfirmed Mercury
Historical mapped workings available
Eureka
California
Unconfirmed Mercury
Historical mapped workings available
Grizzly
California
Unconfirmed Copper
Rattlesnake
California
Unconfirmed Mercury
Skaggs Springs
California
Unconfirmed Mercury
Sonoma Group
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Sonoma Mine (Mount Jackson, Great Eastern, and Roaring Lion)
California
Unconfirmed Mercury Mixed Underground/Surface
Walker
California
Unconfirmed Mercury
Wall Springs
California
Unconfirmed Mercury
Bacon Consolidated
California
Unconfirmed Mercury
Historical mapped workings available
Barnes Mine
California
Unconfirmed Chromium
Cloverdale
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Culver Baer
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Dewey's
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Dillon and Seefeldt Manganese
California
Unconfirmed Manganese
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