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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]
The leased areas, mines, and facilities were collectively termed the Black Mesa Complex. In 1982, the U.S. Office of Surface Mining Reclamation and Enforcement (OSM) issued permit AZ-0001 for surface mining and reclamation operations on the Black Mesa and Kayenta mines. The permit was most recently renewed in 2012 for the Kayenta Mine as permit ...
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 ...
The Mining Enforcement and Safety Administration (MESA) under the U.S. Department of the Interior was the predecessor of the Mine Safety and Health Administration, prior to March 9, 1978. [1] It was formed by the Federal Coal Mine Health and Safety Act of 1969, [2] and co-approved respirators with NIOSH under 30 CFR Part 11. [3]
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]
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 ...
The Navajo Mine is a surface coal mine owned and operated by Navajo Transitional Energy Company (NTEC) in New Mexico, United States, within the Navajo Nation. The mine is about 20.5 miles (33 km) southwest of Farmington, New Mexico. The Navajo Mine Railroad has 13.8 miles (22.2 km) of track between the Four Corners Generating Station and Navajo ...
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.