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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.
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]
It is an independent, constitutionally-mandated office, elected to a four-year term. Arizona is the only state which fills this position through direct election. [1] Arizona has 600 working mines and an estimated 120,000 abandoned mines. [2] Owing to a lack of funding, the department employed just two abandoned-mine supervisors as of 2019. [3]
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 ...
Thompson Creek Mine (near Challis, Idaho) — The Thompson Creek Mine is a primary molybdenum mine located approximately 35 miles southwest of Challis in Idaho's Custer County, a historic mining area. Known as the Thompson Creek deposit, it was discovered in 1968 by Cyprus Minerals Corporation.
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).
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.
IDL operates under the Idaho State Board of Land Commissioners and is the administrative arm of the Idaho Oil and Gas Conservation Commission. [3] The Idaho Department of Lands staffs 16 offices and manages 2.5 million acres under a constitutional mandate on State Trust Lands to maximize long term returns. These returns help fund Idaho public ...