Auger mining definition
Auger mining means a method of mining coal at a highwall by drilling holes or cutting into an exposed coal seam from the highwall and transporting the coal along an auger bit or by conveyors or other means to the surface.
Auger mining means a method of mining coal at a cliff or highwall by drilling or cutting holes into an exposed coal seam from the highwall and transporting the coal along the auger bit to the surface.
Auger mining means a method of mining coal at a cliff or highwall by drilling holes into an exposed coal seam from the highwall and transporting the coal along an auger bit to the surface and includes all other methods of mining in which coal is extracted from beneath the overburden by mechanical devices located at the face of the cliff or highwall and extending laterally into the coal seam, such as extended depth and secondary recovery systems.
More Definitions of Auger mining
Auger mining means a method of mining coal at a cliff or
Auger mining means the method of recovering coal by boring with a drill AN AUGER into a coal bed exposed PREPARED by strip-mining excavations or in naturally sloping terrain. Auger mining is used when the surface RATIO OF overburden TO COAL DOES NOT ALLOW THE becomes too thick for further economical excavation by strip mining RECOVERY OF COAL.
Auger mining means the method of recovering coal by boring with a drill into a coal bed exposed by strip-mining excavations or in naturally sloping terrain. Auger mining is used when the surface overburden becomes too thick for further economical excavation by strip mining.
Auger mining means the method of recovering coal by boring with an auger into a coal bed prepared by strip-mining excavations or in naturally sloping terrain. Auger mining is used when the ratio of overburden to coal does not allow the economical recovery of coal. (3) "Broker" means any person who resells Montana coal.
Auger mining means the method of recovering coal by boring with an auger into a coal bed
Auger mining means the method of recovering coal by boring with an auger into a coal bed prepared by strip-mining excavations or in naturally sloping terrain. Auger mining is used when the ratio of overburden to coal does not allow the economical recovery of coal. (3) "Broker" means any person who resells Montana coal. (4) "Coal washing" means any treatment to remove impurities from underground mined coal. Coal washing may include but is not limited to operations such as flotation, air, water, or heavy media separation, drying, and related handling.