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  2. Placer claim - Wikipedia

    en.wikipedia.org/wiki/Placer_claim

    Mining Claim Corner, Blue Ribbon Mine, Alaska. A placer claim is a mining claim on gravel or ground from which minerals are extracted using water. [1] In the United States, the valuable mineral in a placer claim is almost always gold, although other nations mine placer deposits of platinum, tin, and diamonds.

  3. Gold mining in Colorado - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_Colorado

    Gold production up to 1990 was 21,000,000 troy ounces (650 t) worth about US$17 billion at 2008 prices) [clarification needed], making it the most productive gold-producing district in Colorado, [19] and the third-most productive in the United States (after Carlin, Nevada and Lead, South Dakota). Many of the mines in the district were quite ...

  4. Thompson Creek Metals - Wikipedia

    en.wikipedia.org/wiki/Thompson_Creek_Metals

    Royal Gold has 1% net smelter return royalty held on eight of the mineral claims and one mining lease, including those which host the deposit on the Berg property. [1] All mineral claims and the mining lease are in good standing and good to dates ranging from August 2015 to November 2021. [ 1 ]

  5. Cripple Creek & Victor Gold Mine - Wikipedia

    en.wikipedia.org/wiki/Cripple_Creek_&_Victor_Gold...

    The Cripple Creek & Victor Gold Mine, formerly and historically the Cresson Mine, is an active gold mine located near the town of Victor, in the Cripple Creek mining district in the US state of Colorado. The richest gold mine in Colorado history, [1] it is the only remaining significant producer of gold in the state, and produced 322,000 troy ...

  6. Timeline of mining in Colorado - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_mining_in_Colorado

    gold Old Colorado City Governor James Hamilton Peabody sent troops to Colorado City in 1903 to settle a miner's strike. They set up Camp Peabody at what became the 1903 Colorado Labor War. [32] Old Colorado City was the location of a 1903 labor strike that spread to Cripple Creek and eventually led to the Colorado Labor Wars. [33] 1901 aluminum ...

  7. Gold mining in the United States - Wikipedia

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

    Only one Colorado mine continues to produce gold, the Cripple Creek & Victor Gold Mine at Victor near Colorado Springs, an open-pit heap leach operation owned by Newmont Mining Corporation, which produced 360,000 troy ounces (11,000 kg) of gold in 2018.

  8. Camp Bird Mine - Wikipedia

    en.wikipedia.org/wiki/Camp_Bird_Mine

    The mine produced about 1.5 million troy ounces of gold, and 4 million troy ounces of silver, from 1896 to 1990. [1] At 2009 prices, Camp Bird's production would be worth over US$1.5 billion. Walsh sold the property for US$5.2 million in 1902. Walsh's daughter, Evalyn Walsh McLean, later purchased the Hope Diamond. Walsh died in 1909.

  9. General Mining Act of 1872 - Wikipedia

    en.wikipedia.org/wiki/General_Mining_Act_of_1872

    "My claim, Sir!" A prospector defends his claim at the Comstock Lode, 1861.. Miners and prospectors in the California Gold Rush of 1849 found themselves in a legal vacuum. . Although the US federal government had laws governing the leasing of mineral land, the United States had only recently acquired California by the Treaty of Guadalupe Hidalgo, and had little presence in the newly acquired ...