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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 ...
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]
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 ...
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]
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]
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 ...
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.
The relationship between uranium mining and the Navajo people began in 1944 in northeastern Arizona, northwestern New Mexico, and southeastern Utah. In the 1950s, the Navajo Nation was situated directly in the uranium mining belt that experienced a boom in production, and many residents found work in the mines.