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  2. 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 ...

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

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

    Gold Hill (Nevada County, California) 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 ...

  4. Ironstone's Crown Jewel - Wikipedia

    en.wikipedia.org/wiki/Ironstone's_Crown_Jewel

    The gold specimen was unearthed at the Sonora Mining Corporation mine in Jamestown, California on December 24, 1992. [1] Along with other gold-heavy quartz pieces, the gold was first believed to be bits of damaged machinery. A number of days later, the materials were examined and found to be full of gold.

  5. Mother lode - Wikipedia

    en.wikipedia.org/wiki/Mother_lode

    The zone contains hundreds of mines and prospects, including some of the best-known historic mines of the gold-rush era. Individual gold deposits within the Mother Lode are gold-bearing quartz veins up to 15 metres (49 ft) thick and a few thousand feet long. The California Mother Lode was one of the most productive gold-producing districts in ...

  6. North Star Mine and Powerhouse - Wikipedia

    en.wikipedia.org/wiki/North_Star_Mine_and_Powerhouse

    The North Star Mine and Powerhouse are located on Lafayette Hill a short distance south of Grass Valley in the U.S. state of California. It was the second largest producer of gold during California's Gold Rush. [1] In 1898, the largest Pelton wheel for its time was built for the mine. [2][3] The North Star Mine Company also owned locations on ...

  7. Good Hope Mine - Wikipedia

    en.wikipedia.org/wiki/Good_Hope_Mine

    Good Hope Mine was the principal gold mine in the Pinacate Mining District, Riverside County, California . Good Hope Mine was reputedly begun by a Frenchman named Mache, although the washes in the area were originally placer mined by Mexicans in the 1850s during the California Gold Rush using arrastras. The Good Hope quartz vein was found in 1874.

  8. Gold in California - Wikipedia

    en.wikipedia.org/wiki/Gold_in_California

    Gold in California. Three gold nuggets from Tuolumne County, California, similar to what the early miners would have found. Gold became highly concentrated in California, United States as the result of global forces operating over hundreds of millions of years. Volcanoes, tectonic plates and erosion all combined to concentrate billions of ...

  9. Holcomb Valley - Wikipedia

    en.wikipedia.org/wiki/Holcomb_Valley

    Holcomb Valley is a valley located in the San Bernardino Mountains about five miles north of Big Bear Lake. It was the site of some of the most prolific gold mines in Southern California. It was named after William F. Holcomb, who found gold there in 1860. Holcomb's discovery spurred the largest gold rush in the Southern California region. [1]

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