Records
44
Santa Clara County Underground Mines
California · 44 underground-eligible records
Verified
2
Unconfirmed
42
With photos
1
Major commodities
- Mercury · 28
- Manganese · 10
- Chromium · 3
- Copper · 2
- Silica · 1
Working types (source)
- Other / unspecified · 22
- Underground · 12
- Mixed Underground/Surface · 10
Related mining districts
- New Almaden · 20
- Stayton · 7
Mines in this county
Bernal
California
Unconfirmed Mercury
Documented shaft/adit evidence
Comstock
California
Unconfirmed Mercury
Hooker Creek
California
Unconfirmed Copper
New Almaden - Central Stope Area
California
Unconfirmed Mercury
Historical mapped workings available
New Almaden - North Randol
California
Unconfirmed Mercury
Historical mapped workings available
New Almaden - Victoria Area
California
Unconfirmed Mercury
Historical mapped workings available
Providencia
California
Unconfirmed Mercury
Documented adit evidence
Rianda
California
Unconfirmed Mercury
Documented adit evidence
Santa Clara
California
Unconfirmed Mercury
Documented adit evidence
Santa Teresa
California
Unconfirmed Mercury
Documented adit evidence
Senator Mine
California
Unconfirmed Mercury
Historical mapped workings available
Tilton Ranch
California
Unconfirmed Mercury
America Mine
California
Unconfirmed Mercury
Historical mapped workings available
American
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Beauregard Group
California
Unconfirmed Manganese
Historical mapped workings available
Chaboya - Hillsdale
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Deposit 8, Big Matt
California
Unconfirmed Manganese
Historical mapped workings available
Enriquita
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Enriquita Mine
California
Unconfirmed Mercury
Historical mapped workings available
Guadalupe Mine
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Hillsdale
California
Unconfirmed Mercury
Historical mapped workings available
Hooker Creek
California
Unconfirmed Copper
New Almaden - Cora Blanca Area
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
New Almaden - Harry Area
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
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