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
New Almaden - San Pedro-Almaden Area
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
New Almaden - Santa Mariana Area
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
New Almaden - Velasco Area
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
New Almaden Mine
California
Unconfirmed Mercury Mixed Underground/Surface
Historical mapped workings available
Providencia Mine
California
Unconfirmed Mercury
Documented adit evidence
Ranelli
California
Unconfirmed Chromium
Rianda
California
Unconfirmed Mercury
Documented adit evidence
San Antonio Mine
California
Unconfirmed Mercury
Documented adit evidence
San Mateo Mine
California
Unconfirmed Mercury
Documented adit evidence
Unnamed Location
California
Unconfirmed Chromium
Ala Mountain Mine
California
Unconfirmed Manganese Mixed Underground/Surface
Doak No 2 Prospect
California
Unconfirmed Manganese Mixed Underground/Surface
Historical mapped workings available
Fable Mine
California
Unconfirmed Manganese Mixed Underground/Surface
Historical mapped workings available
Laurel Lake Ranch
California
Unconfirmed Chromium Mixed Underground/Surface
Mateos Ranch Deposit
California
Unconfirmed Manganese Mixed Underground/Surface
Mexican Prospect No. 3
California
Unconfirmed Silica Mixed Underground/Surface
Murmac Group
California
Unconfirmed Manganese Mixed Underground/Surface
Pulse Prospect
California
Unconfirmed Manganese Mixed Underground/Surface
Historical mapped workings available
Winegar Mine
California
Unconfirmed Manganese Mixed Underground/Surface
Winship Leases
California
Unconfirmed Manganese Mixed Underground/Surface
Documented adit evidence
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