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  2. Arizona Department of Mines and Mineral Resources - Wikipedia

    en.wikipedia.org/wiki/Arizona_Department_of...

    The ADMMR engages in technical research, field investigations, education, and information dissemination. As one of its educational activities, it operated the Arizona Mining and Mineral Museum until July 2010, when responsibility for the museum was transferred to the Arizona Historical Society pursuant to a state law enacted in May 2010. [2]

  3. 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.

  4. Congress Mine - Wikipedia

    en.wikipedia.org/wiki/Congress_Mine

    The town of Congress with the mine in the background, c. 1914 The Congress Mine is a gold mine located at the ghost town of Congress, Arizona, on the southeastern slope of the Date Creek Mountains, approximately 18 miles north-northeast of Wickenburg, Arizona, at an elevation of about 3,000 feet (Lat. 34.216 – Long. -122.841).

  5. Gold mining in the United States - Wikipedia

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

    Arizona has produced more than 16 million troy ounces (498 tonnes) of gold. 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 ...

  6. Placer claim - Wikipedia

    en.wikipedia.org/wiki/Placer_claim

    Gold mining is one of the most common uses for the staking of mining claims. In Alaska, state mining claims may be up to 160 acres (0.65 km 2), and there is no distinction between lode or placer claims. The boundaries of the claim must follow the 4 cardinal directions, with an exception being adjustments for existing valid claims.

  7. 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 ...

  8. Category:Mines in Arizona - Wikipedia

    en.wikipedia.org/wiki/Category:Mines_in_Arizona

    Mines in Arizona — historic and present day sites of mining operations in Arizona; Subcategories. This category has the following 2 subcategories, out of 2 total. ...

  9. Copper mining in Arizona - Wikipedia

    en.wikipedia.org/wiki/Copper_mining_in_Arizona

    In Arizona, copper mining has been a major industry since the 19th century. In 2007, Arizona was the leading copper-producing state in the country, producing 750 thousand metric tons of copper, valued at $5.54 billion. Arizona's copper production was 60% of the total for the United States. Copper mining also produces gold and silver as ...