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  2. Black Diamond Mines Regional Preserve - Wikipedia

    en.wikipedia.org/wiki/Black_Diamond_Mines...

    The Black Diamond Mines Regional Preserve is a 6,000-acre (2,400 ha) park located north of Mount Diablo in Contra Costa County, California under the administration of the East Bay Regional Park District (EBRPD). The district acquired the property in 1973. The preserve contains relics of 3 mining towns, former coal and sand mines, and offers ...

  3. California State Mining and Mineral Museum - Wikipedia

    en.wikipedia.org/wiki/California_State_Mining...

    Established. 1999. Governing body. California Department of Parks and Recreation. The California State Mining and Mineral Museum exhibits and interprets the state's mineral resources and mining heritage. It is part of the California state park system and is located in Mariposa, a city in central California, on the Mariposa County fairgrounds. [1]

  4. New Idria Mercury Mine - Wikipedia

    en.wikipedia.org/wiki/New_Idria_Mercury_Mine

    The New Idria Mercury Mine encompasses 8,000 acres of land in the Diablo Mountain range, incorporating the town of Idria in San Benito County, California. Idria, initially named New Idria, is situated at 36°25′01″N 120°40′24″W and 2440 feet (680m) above mean sea level. The area was, in the past, recorded in the US Census Bureau as a ...

  5. Empire Mine State Historic Park - Wikipedia

    en.wikipedia.org/wiki/Empire_Mine_State_Historic...

    December 09, 1977. Empire Mine State Historic Park is a state-protected mine and park in the Sierra Nevada mountains in Grass Valley, California, U.S. The Empire Mine is on the National Register of Historic Places, a federal Historic District, and a California Historical Landmark. Since 1975 California State Parks has administered and ...

  6. Mountain Pass mine - Wikipedia

    en.wikipedia.org/wiki/Mountain_Pass_mine

    The Mountain Pass Rare Earth Mine and Processing Facility, owned by MP Materials, is an open-pit mine of rare-earth elements on the south flank of the Clark Mountain Range in California, 53 miles (85 km) southwest of Las Vegas, Nevada. In 2020 the mine supplied 15.8% of the world's rare-earth production. It is the only rare-earth mining and ...

  7. Yuba Goldfields - Wikipedia

    en.wikipedia.org/wiki/Yuba_Goldfields

    Yuba Goldfields. Coordinates: 39.1848°N 121.4778°W. The Yuba Goldfields (center to upper right) straddle both banks of the Yuba River. The Yuba Goldfields, also known as the Hammonton dredge field, is the largest gold dredge field in California. Located along the Yuba River approximately 6–12 miles (10–20 km) upstream of the town of ...

  8. List of mines in California - Wikipedia

    en.wikipedia.org/wiki/List_of_mines_in_California

    Argonaut Mining Company: 1893–1942 registered as California Historical Landmark #786. Golden Fleece Tunnel: Westville: Golden Fleece Mining & Milling Co. Iron Mountain Mine: Redding: Kennedy Mine: Jackson: 1886–1942 South of Sutter Gold Mine Locarno Mine

  9. Malakoff Diggins State Historic Park - Wikipedia

    en.wikipedia.org/wiki/Malakoff_Diggins_State...

    73000418. Added to NRHP. April 11, 1973 [1] Malakoff Diggins State Historic Park is a state park unit preserving Malakoff Diggins, the largest hydraulic mining site in California, United States. The mine was one of several hydraulic mining sites at the center of the 1882 landmark case Woodruff v. North Bloomfield Mining and Gravel Company. [2]