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  2. Black Diamond Mines Regional Preserve - Wikipedia

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

    Rose Hill Cemetery, Black Diamond Mines Rose Hill Cemetery, Black Diamond Mines Trail to a mine, 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 ...

  3. 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

  4. Nortonville, California - Wikipedia

    en.wikipedia.org/wiki/Nortonville,_California

    Rose Hill Cemetery, near Nortonville Regional Park, CA Photo by Heather Grimes, September 30, 2012. Nortonville was founded by Noah Norton in 1855. [3] He, along with three partners named Cutler, Matheson and Sturgis, started the Black Diamond coal mine at Nortonville in 1860. [4]

  5. Mountain Pass Rare Earth Mine - Wikipedia

    en.wikipedia.org/wiki/Mountain_Pass_rare_earth_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.

  6. Mount Diablo - Wikipedia

    en.wikipedia.org/wiki/Mount_Diablo

    The new Marsh Creek State Park [a] and Black Diamond Mines Regional Preserve are among the open spaces stretching to the north. In this way the open spaces controlled by cities, the East Bay Regional Park District, Mount Diablo State Park, and various regional preserves now adjoin and protect much of the elevated regions of the mountain.

  7. Boron, California - Wikipedia

    en.wikipedia.org/wiki/Boron,_California

    A large borax deposit was discovered in 1925, [25] and the mining town of Boron was established soon thereafter. This borax deposit is now the world's largest borax mine. [23] It is owned by Rio Tinto Minerals (formerly U.S. Borax). It is operated as an open-pit mine, the largest open-pit mine in California.

  8. Gold Hill (Nevada County, California) - Wikipedia

    en.wikipedia.org/wiki/Gold_Hill_(Nevada_County...

    Gold Hill in Grass Valley, California, was the site of one of the first discoveries of quartz gold [2] in California. While quartz gold was also found in other areas of Nevada County, California during the same time, it is this find near Wolf Creek that led to quartz-mining frenzy and subsequent creation of the Gold Country quartz-mining industry.

  9. Black Hills gold rush - Wikipedia

    en.wikipedia.org/wiki/Black_Hills_Gold_Rush

    The Black Hills gold rush took place in Dakota Territory in the United States. It began in 1874 following the Custer Expedition and reached a peak in 1876–77. Rumors and poorly documented reports of gold in the Black Hills go back to the early 19th century.