Safety: Historic mine sites can be hazardous. Never enter abandoned workings without qualified supervision. Read full notice

Mendocino County Underground Mines

California · 14 underground-eligible records

Records

14

Verified

0

Unconfirmed

14

With photos

0

Major commodities

  • Manganese · 8
  • Copper · 3
  • Silica · 1
  • Sand and Gravel · 1
  • Gold · 1

Working types (source)

  • Other / unspecified · 10
  • Mixed Underground/Surface · 2
  • Underground · 2

Mines in this county

Red Mountain

California

Unconfirmed Copper Mixed Underground/Surface

Bereton Mine

California

Unconfirmed Manganese Mixed Underground/Surface

Foster Mountain

California

Unconfirmed Manganese Mixed Underground/Surface

Nowlin Mine

California

Unconfirmed Manganese Mixed Underground/Surface

South Thomas

California

Unconfirmed Silica Mixed Underground/Surface

Thomas Mine

California

Unconfirmed Manganese Mixed Underground/Surface

Wild Devil Mine

California

Unconfirmed Manganese Mixed Underground/Surface

Exact protected coordinates are never shown on county pages. Report a page issue