Records
64
San Luis Obispo County Underground Mines
California · 64 underground-eligible records
Verified
0
Unconfirmed
64
With photos
0
Major commodities
- Mercury · 28
- Chromium · 20
- Manganese · 6
- Copper · 6
- Gold · 1
- Gypsum-Anhydrite · 1
- Antimony · 1
- Iron · 1
Working types (source)
- Other / unspecified · 37
- Underground · 16
- Mixed Underground/Surface · 11
Related mining districts
- Cuesta Pass · 6
- Pine Mountain · 6
Mines in this county
Oceanic Mine
California
Unconfirmed Mercury Mixed Underground/Surface
Documented adit evidence
Pine Mountain
California
Unconfirmed Mercury Mixed Underground/Surface
Documented adit evidence
Pine Mountain Mine
California
Unconfirmed Mercury
Documented adit evidence
Polar Star
California
Unconfirmed Mercury Mixed Underground/Surface
Polar Star Mine
California
Unconfirmed Mercury
Documented adit evidence
Quien Sabe
California
Unconfirmed Mercury Mixed Underground/Surface
Rinconada
California
Unconfirmed Mercury Mixed Underground/Surface
Documented shaft/adit evidence
Rinconada Mine
California
Unconfirmed Mercury
Documented shaft/adit evidence
San Ramon Nos. 1, 2, 3, & 4
California
Unconfirmed Copper
Silver Swan
California
Unconfirmed Copper
Single Jack Mine
California
Unconfirmed Chromium
Historical mapped workings available
Sweetwater Chromite Mine
California
Unconfirmed Chromium Mixed Underground/Surface
Historical mapped workings available
Sweetwater Mine
California
Unconfirmed Chromium Mixed Underground/Surface
Historical mapped workings available
Trinidad Mine
California
Unconfirmed Chromium Mixed Underground/Surface
Vulture
California
Unconfirmed Mercury Mixed Underground/Surface
Welch Mine
California
Unconfirmed Manganese
Zerfing Ranch Deposit
California
Unconfirmed Chromium
Barneberg Mine
California
Unconfirmed Manganese Mixed Underground/Surface
Historical mapped workings available
Bluebird Mine
California
Unconfirmed Manganese Mixed Underground/Surface
Cambria Mine
California
Unconfirmed Mercury Mixed Underground/Surface
Carrisa Mine
California
Unconfirmed Gypsum-Anhydrite Mixed Underground/Surface
Chorro Mine
California
Unconfirmed Chromium Mixed Underground/Surface
Historical mapped workings available
Colonel Claim
California
Unconfirmed Chromium Mixed Underground/Surface
El Divisadero Mine
California
Unconfirmed Chromium Mixed Underground/Surface
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