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  2. Foreign Miners' Tax Act of 1850 - Wikipedia

    en.wikipedia.org/wiki/Foreign_Miners'_Tax_Act_of...

    The Foreign Miners' Tax Act of 1850 (official name An Act for the better regulation of the Mines and the government of foreign Miners, nickname the miserable law of 20 piastres) [1]: 210 was an Act passed by the United States state of California in 1850, imposing a tax of $20/month on foreign miners.

  3. General Mining Act of 1872 - Wikipedia

    en.wikipedia.org/wiki/General_Mining_Act_of_1872

    This law, approved on May 10, 1872, codified the informal system of acquiring and protecting mining claims on public land, formed by prospectors in California and Nevada from the late 1840s through the 1860s, such as during the California Gold Rush. All citizens of the United States of America 18 years or older have the right under the 1872 ...

  4. Woodruff v. North Bloomfield Gravel Mining Company - Wikipedia

    en.wikipedia.org/wiki/Woodruff_v._North...

    Most of the mining settlements in California were established in the foothills of Northern California in close proximity to Sutter's Mill. [5] Due to a high abundance of natural resources deposited by earlier geological activities, the western edge of the Sierra (particularly cities located in present-day Sierra, Nevada, Placer, Amador, and El Dorado counties) were heavily mined for gold and ...

  5. Illegal mining - Wikipedia

    en.wikipedia.org/wiki/Illegal_mining

    Illegal mining can be a subsistence activity, as is the case with artisanal mining, or it can belong to large-scale organized crime, [2] spearheaded by illegal mining syndicates. [ 3 ] [ 4 ] On an international level, approximately 80 percent of small-scale mining operations can be categorized as illegal. [ 5 ]

  6. Mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Mining_in_the_United_States

    44% of mining facilities in the United States are located in forests. Large-scale mining in areas of Latin America, like Brazil, release pollutants detrimental to neighboring rainforests. [38] Copper mining efforts in the Carajas Mineral Province in Brazil result in 6,100 km of deforestation every year. [38]

  7. Which fireworks are illegal in California? What happens if ...

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  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. Hydraulic mining - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_mining

    A miner using a hydraulic jet to mine for gold in California, from The Century Magazine January 1883. Hydraulic mining is a form of mining that uses high-pressure jets of water to dislodge rock material or move sediment. [1] In the placer mining of gold or tin, the resulting water-sediment slurry is directed through sluice boxes to remove the gold.