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  2. Gold mining in Colorado - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_Colorado

    Before any prospectors in Park County began excavating the mountains, they used placer mining to extract gold from the local waterways. Placer mines began to appear all over Park County after 1861. Placer gold was found in Tarryall, Fairplay, Alma, Breckenridge, and Leadville. [10] A notable amount came from the beds of the South Platte River. [11]

  3. Placer mining - Wikipedia

    en.wikipedia.org/wiki/Placer_mining

    In North America, placer mining was famous in the context of several gold rushes, particularly the California Gold Rush and the Colorado Gold Rush, the Fraser Canyon Gold Rush and the Klondike Gold Rush. Placer mining continues in many areas of the world as a source of diamonds, industrial minerals and metals, gems (in Myanmar and Sri Lanka ...

  4. Recreational gold mining - Wikipedia

    en.wikipedia.org/wiki/Recreational_gold_mining

    Weekend gold hunters, Gilpin County, Colorado. Although gold deposits are popularly associated with the western US, gold has widespread occurrence across the country. In the eastern US, a zone of lode and placer gold deposits extends in the Piedmont region from Alabama to Maryland. [10]

  5. Russell Gulch, Colorado - Wikipedia

    en.wikipedia.org/wiki/Russell_Gulch,_Colorado

    Russell discovered placer gold deposits in June 1859 in the valley that was soon named Russell Gulch in his honor. [ 2 ] : 20 By the end of September, 891 men were mining gold in the gulch, and the eponymous town was built near the head of the gulch to serve the miners.

  6. Leadville mining district - Wikipedia

    en.wikipedia.org/wiki/Leadville_mining_district

    Oro City, an early Colorado gold placer mining town located about a mile east of Leadville in California Gulch, was the location to one of the richest placer gold strikes in Colorado, with estimated gold production of 120,000–150,000 ozt (8,200–10,300 lb; 3,700–4,700 kg), worth $2.5 to $3 million at the then-price [clarification needed ...

  7. Placer deposit - Wikipedia

    en.wikipedia.org/wiki/Placer_deposit

    Placer mining is an important source of gold, and was the main technique used in the early years of many gold rushes, including the California Gold Rush. Types of placer deposits include alluvium, eluvium, beach placers, aeolian placers and paleo-placers. [2] Placer materials must be both dense and resistant to weathering processes. To ...

  8. California Gulch - Wikipedia

    en.wikipedia.org/wiki/California_Gulch

    Mining in the Leadville area began in 1859 when prospectors working in the channels of the Arkansas River tributaries discovered gold at the mouth of California Gulch. In April 1860, one of the richest discoveries of placer gold in Colorado was discovered at California Gulch. [2]

  9. Gold mining in the United States - Wikipedia

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

    The Reed Gold Mine, southwest of Georgeville in Cabarrus County, North Carolina produced about 50,000 troy ounces (1,600 kg) of gold from lode and placer deposits. [40] Gold was produced from 15 districts, almost all in the Piedmont region of the state. Total gold production is estimated at 1.2 million troy ounces (37.3 tonnes).