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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.
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 ...
Banner Mining Company acquired most of the claims in the area by the late 1950s. Anaconda Mining Company acquired the claims to the property in 1963 and undertook a major exploration campaign that identified the Rosemont deposit as a major porphyry copper ore body. The company also advanced the Broadtop Butte and Peach-Elgin prospects.
C. S. Fly's image of miner George Warren first appeared in Souvenir of Bisbee published in 1900. Fly's caption was, "Discoverer of the Copper Queen Mine." The presence of copper ore in the Mule Mountains of southeast Arizona may have been known as early as 1876, but the first mining claim was filed on August 2, 1877. [4]
Cleator was established two miles from the Turkey creek in 1864 as a placer gold mining site under the name Turkey Creek Mining District after gold was found. A post office was established at Turkey Creek in July 1869 but closed within a few months. [2] [3] After gold ore was depleted by the end of the 19th century, mines were opened in the area.
These include a 200-million-pound to 250-million-pound opportunity to expand production in a mine in Bagdad, Arizona (with a decision on it expected by the end of 2025), and a 300-million-pound to ...
Mining stopped in the Monument Valley district in 1969, after producing 8.7 million pounds (3900 metric tons) of uranium oxide, more than has been produced from any other uranium mining district in Arizona. [3] In 2005 the Navajo Nation declared a moratorium on uranium mining on the reservation, for environmental and health reasons.
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