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  2. 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

  3. Malakoff Diggins State Historic Park - Wikipedia

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

    The mine pit and several Gold Rush-era buildings are listed on the National Register of Historic Places as the Malakoff Diggins-North Bloomfield Historic District. [3] The "canyon" is 7,000 feet (2,100 m) long, as much as 3,000 feet (910 m) wide, and nearly 600 feet (180 m) deep in places.

  4. Category:Copper mines in California - Wikipedia

    en.wikipedia.org/wiki/Category:Copper_mines_in...

    Pages in category "Copper mines in California" ... Engels Copper Mine; I. Iron Mountain Mine This page was last edited on 5 June 2024, at 18:13 (UTC). ...

  5. Empire Mine State Historic Park - Wikipedia

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

    Newmont also purchased the North Star Mine, resulting in Empire-Star Mines, Ltd. [7]: 87 The business was managed by Fred Nobs and later by Jack Mann. Gold mines were defined as "nonessential industry to the war effort" by the War Production Board of the US Government on 8 October 1942, which shut down operations until 30 June 1945. After the ...

  6. List of copper mines in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_copper_mines_in...

    Underground mine producing nickel and copper concentrates 18 (2018) [8] 15 Phoenix Lander County, Nevada: Newmont Mining Corporation: Gold-copper ore, concentrated and leached 16 (2018) [6] 16 Lisbon Valley San Juan County, Utah: Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona ...

  7. Category:Gold mines in California - Wikipedia

    en.wikipedia.org/wiki/Category:Gold_mines_in...

    Pages in category "Gold mines in California" ... Big Bar (Amador County, California) C. ... Monte Cristo Gold Mine;

  8. Blue Ledge Mine - Wikipedia

    en.wikipedia.org/wiki/Blue_Ledge_Mine

    The Blue Ledge Mine is an inactive underground copper mine that has been classified as a Superfund Site by the Environmental Protection Agency (EPA) due to high concentrations of heavy metals. The mine is located approximately 3 miles south of the California–Oregon border in the Rogue River-Siskiyou National Forest . [ 1 ]

  9. Gold in California - Wikipedia

    en.wikipedia.org/wiki/Gold_in_California

    Because the gold in the California gravel beds was so richly concentrated, the early forty-niners simply panned for gold in California's rivers and streams, a form of placer mining. [ 10 ] [ 11 ] However, panning cannot take place on a large scale, and industrious miners and groups of miners graduated to placer mining " cradles " and "rockers ...

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