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  2. Oil drilling, mining blocked from southeast New Mexico cave ...

    www.aol.com/oil-drilling-mining-blocked...

    Two mining claims remain in the area, records show, and mining for metals like gold, silver and copper dates back to the 1900s. A uranium mining pit was established in 1954 but was closed the same ...

  3. Calumet and Arizona Mining Company - Wikipedia

    en.wikipedia.org/wiki/Calumet_and_Arizona_Mining...

    To raise money for the endeavor, a public company known as the Calumet and Arizona Mining Company was decided to form. [2] [3] The company was officially organized in March 1901 in Arizona. Its original holdings consisted of 10 patented mining claims totaling 178 acres adjacent to the Copper Queen Mine near Bisbee, Arizona.

  4. 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.

  5. Uranium mining and the Navajo people - Wikipedia

    en.wikipedia.org/wiki/Uranium_mining_and_the...

    The subsequent mining boom led to the creation of thousands of mines; 92% of all western mines were located on the Colorado Plateau because of regional resources. [24] The Navajo Nation encompasses portions of Arizona, New Mexico, and Utah, and their reservation was a key area for uranium mining

  6. New Mining Alliance Targets Copper Exploration In Arizona ...

    www.aol.com/mining-alliance-targets-copper...

    The joint exploration efforts focus on six areas across Arizona, New Mexico, and Utah, covering 1410 square miles. ... This article New Mining Alliance Targets Copper Exploration In Arizona, New ...

  7. General Mining Act of 1872 - Wikipedia

    en.wikipedia.org/wiki/General_Mining_Act_of_1872

    Mining claim posted: NO Prospecting, Panning, Sluicing ... South Yuba River, California 2011 photo. A mining claim is the right to explore for and extract minerals from a tract of land. [19] Claim staking is the required procedure of marking the boundaries of the mining claim, typically with wooden posts or substantial piles of rocks. [20]

  8. Molycorp - Wikipedia

    en.wikipedia.org/wiki/Molycorp

    Molycorp Inc. was an American mining corporation headquartered in Greenwood Village, Colorado. [1] The corporation, which was formerly traded on the New York Stock Exchange, [2] owned the Mountain Pass rare earth mine in California. It filed for bankruptcy in June 2015 after changing competitive circumstances, declining prices on output and a ...

  9. Mexico takes mining company to court seeking new remediation ...

    www.aol.com/news/mexico-takes-mining-company...

    Mexico is pursuing a criminal complaint against the country's biggest copper producer seeking to force a new remediation effort for a toxic mine spill in the northern state of Sonora nine years ...