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Peabody Energy developed two coal strip mines on the Black Mesa reservation: the Black Mesa Mine and the Kayenta Mine. The company pumped water from the underground Navajo Aquifer for washing coal, and, until 2005, in a slurry pipeline operation to transport extracted coal 273 mi (439 km) to the Mohave Generating Station in Laughlin, Nevada.
The term is usually applied in industrial processes where residue from creating or processing one good is used as a raw material or energy feedstock for another industrial process. [ 1 ] [ 3 ] Industrial wastes in particular are good candidates for valorization because they tend to be more consistent and predictable than other waste, such as ...
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 ...
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Coal waste in Pennsylvania. Coal refuse (also described as coal waste, rock, slag, coal tailings, waste material, rock bank, culm, boney, or gob [1]) is the material left over from coal mining, usually as tailings piles or spoil tips.
Black Mesa Peabody Coal controversy, the controversy surrounding a Peabody Coal mine in the Black Mesa (Apache-Navajo Counties, Arizona) Black Mesa (Navajo County, Arizona), in the White Mountains; Black Mesa (Warm Springs, Arizona), a southern section of Black Mountains (Arizona) containing the Warm Springs Wilderness, and setting for the 1936 ...
The residue can be ploughed directly into the ground, or burned first. In contrast, no-till, strip-till or reduced-till agriculture practices are carried out to maximize crop residue cover. Simple line-transect measurements can be used to estimate residue coverage. [1] Process residues are materials left after the crop is processed into a ...
The mesa is located on the Colorado Plateau near Kayenta, Arizona, and rises to over 8,168 ft (2,490 m). Its highest peak is located on Black Mesa's northern rim, a few miles south of the town of Kayenta. Reliable springs surfacing at several locations mean the mesa is more suitable for continuous habitation than much of the surrounding desert ...