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  2. United States Bureau of Mines - Wikipedia

    en.wikipedia.org/wiki/United_States_Bureau_of_Mines

    Parent department. Department of the Interior. For most of the 20th century, the United States Bureau of Mines (USBM) was the primary United States government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. The Bureau was abolished in 1996.

  3. Mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Mining_in_the_United_States

    In 2015, the value of coal, metals, and industrial minerals mined in the United States was US$109.6 billion. 158,000 workers were directly employed by the mining industry. [1] The mining industry has a number of impacts on communities, individuals and the environment.

  4. Arizona Department of Mines and Mineral Resources - Wikipedia

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

    The Arizona Department of Mines and Mineral Resources (ADMMR) is a state government agency in the U.S. state of Arizona that has the purpose of promoting and developing the state's mineral resources. The department was established in 1939 as the Arizona Department of Mineral Resources. [1]

  5. 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 ...

  6. Gold mining in the United States - Wikipedia

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

    US annual gold production (1840–2012) In the United States, gold mining has taken place continually since the discovery of gold at the Reed farm in North Carolina in 1799. The first documented occurrence of gold was in Virginia in 1782. [1] Some minor gold production took place in North Carolina as early as 1793, but created no excitement.

  7. Freeport-McMoRan - Wikipedia

    en.wikipedia.org/wiki/Freeport-McMoRan

    Freeport-McMoRan. Freeport-McMoRan Inc., often called Freeport, is an American mining company based in the Freeport-McMoRan Center, in Phoenix, Arizona. The company is the world's largest producer of molybdenum, a major copper producer and operates the world's largest gold mine, the Grasberg mine in Papua, Indonesia.

  8. Surface Mining Control and Reclamation Act of 1977 - Wikipedia

    en.wikipedia.org/wiki/Surface_Mining_Control_and...

    Signed into law by President Jimmy Carter on August 3, 1977. The Surface Mining Control and Reclamation Act of 1977 (SMCRA) is the primary federal law that regulates the environmental effects of coal mining in the United States. SMCRA created two programs: one for regulating active coal mines and a second for reclaiming abandoned mine lands.

  9. Silver mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Silver_mining_in_the...

    Silver mining began in 1879 at the Einstein mine, nine miles northwest of Fredericktown in Madison County. The settlement of Silver Mine, complete with US Post Office was established to serve the miners of the Einstein, Ozark, and Apex mines. The mines closed within a few years, but reopened briefly in 1916 and again in 1927 to mine tungsten. [17]