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  2. Hearst, Haggin, Tevis and Co. - Wikipedia

    en.wikipedia.org/wiki/Hearst,_Haggin,_Tevis_and_Co.

    Hearst himself acquired the reputation of arguably being one of the most expert prospector and judge of mining property on the Pacific coast, and contributed to the development of the modern processes of quartz mining. Today Jastro Winkle Diamond Co continues the Diamond Production in California. The company held mining interests in:

  3. Empire Mine State Historic Park - Wikipedia

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

    In October 1850, George Roberts discovered gold in a quartz outcrop on Ophir Hill, [5] but sold the claim in 1851 to Woodbury, Parks and Co. for $350 (or about $13,000 today, adjusted for inflation). The Woodbury Company consolidated several local claims into the Ophir Hill Mine, but they mismanaged their finances and in 1852 were forced to ...

  4. Comstock Lode - Wikipedia

    en.wikipedia.org/wiki/Comstock_Lode

    The gold from Gold Canyon came from quartz veins, toward the head of the vein, in the vicinity of where Silver City and Gold Hill now stand. As the miners worked their way up the stream, they founded the town of Johntown on a plateau. In 1857, the Johntown miners found gold in Six-Mile Canyon, which is about five miles (8 km) north of Gold Canyon.

  5. List of mines in California - Wikipedia

    en.wikipedia.org/wiki/List_of_mines_in_California

    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

  6. Gold mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_the_United...

    Gold production in California peaked in 1852, at 3.9 million troy ounces (121 tonnes) produced in that year. But the placer deposits worked in the early years were quickly exhausted, and production crashed. Hardrock mining (in California called quartz mining) began in 1849, and placer mining by hydraulic mining began in 1852.

  7. North Star Mine and Powerhouse - Wikipedia

    en.wikipedia.org/wiki/North_Star_Mine_and_Powerhouse

    In 1858, the sheriff sold the company to Edward McLaughlin to settle an $8,000 judgement. In Feb. 1860, it was purchased for $15,000 by the owners of the North Star Group, which became the North Star Quartz Mining Co. in 1861. The North Star Gold Mining co. was incorporated in 1867. The mine shut down in 1875 after reaching a depth of 1,200 feet.

  8. Monte Cristo Gold Mine - Wikipedia

    en.wikipedia.org/wiki/Monte_Cristo_Gold_Mine

    The Monte Cristo Gold Mine (Spanish for Mountain of Christ Gold Mine) is a gold mine in the San Gabriel Mountains near Los Angeles, California, USA. The Monte Cristo Gold Mine is part of the quest for mineral wealth in the San Gabriels. Many of the older tunnels and shafts are closed, and the 100-year-old machinery is no longer in operation.

  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 ...