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  2. Gold cyanidation ban - Wikipedia

    en.wikipedia.org/wiki/Gold_cyanidation_ban

    In 1998 Mono County in California effectively banned the usage of cyanide and other chemicals for mining or processing ore through a county ordinance., The US state of Montana banned open pit heap leaching and vat leaching using cyanide for gold mining following a citizen's initiative, Initiative 137, proposed by the Montana Environmental Information Center that was approved through a ...

  3. Gold mining in the United States - Wikipedia

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

    Gold mining in Arizona reportedly began in 1774 when Spanish priest Manuel Lopez directed Papago Indians to wash gold from gravel on the flanks of the Quijotoa Mountains, Pima County. Gold mining continued there until 1849, when the Mexican miners were lured away by the California Gold Rush.

  4. Flambeau Mine - Wikipedia

    en.wikipedia.org/wiki/Flambeau_Mine

    Flambeau Mine map. The Flambeau Mine was an open pit mine of a copper-gold deposit near the Flambeau River, south of Ladysmith, Wisconsin, United States. It was mined by a subsidiary of Kennecott Minerals between 1993 and 1997, and returned to a fairly natural state after. As of 2022, it was "the only example of a metallic mine that was ...

  5. Recreational gold mining - Wikipedia

    en.wikipedia.org/wiki/Recreational_gold_mining

    Gold pans and shovels are commonly allowed, but sluice boxes and suction dredges may be prohibited in some areas. [12] [13] There are public mining areas in many states, and prospecting may allow one to stake a gold placer claim or other type of mining claim in certain areas. Some public lands have been set aside for recreational gold panning.

  6. List of counties in Idaho - Wikipedia

    en.wikipedia.org/wiki/List_of_counties_in_Idaho

    Where the names of two or more counties start with the same letter, in each of these counties the letter is preceded by a number indicating that county's order in the alphabetical list. For instance, the four counties beginning with 'L' in alphabetical order are Latah, Lemhi, Lewis and Lincoln; the codes for these counties are thus 1L, 2L, 3L ...

  7. These are the wealthiest — and poorest — counties in Idaho ...

    www.aol.com/wealthiest-poorest-counties-idaho...

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  8. Stibnite Mining District - Wikipedia

    en.wikipedia.org/wiki/Stibnite_Mining_District

    A specimen of stibnite. The Stibnite Mining District sits atop the Idaho Batholith, one of the signature features of Idaho’s unique geology.The Idaho Batholith is nearly 14,000 square miles (36,000 km 2) of granite, formed from the collision of the oceanic plate and the North American Plate around 100 million years ago during the Cretaceous period. [10]

  9. Wisconsin’s new 2025 laws mostly technical, obscure - AOL

    www.aol.com/news/wisconsin-2025-laws-mostly...

    In Wisconsin, however, many new laws become effective as soon as the governor signs them. That means 2025 will not kick off with a wave of new rules. Wisconsin, instead, will see some technical ...