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    Glossary of Mining Terms Kentucky Coal EducationA. Abutment In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abu

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    Continuous Mining Machine Operators Bureau of …47-5041 Continuous Mining Machine Operators. Operate self-propelled mining machines that rip coal, metal and nonmetal ores, rock, stone, or sand

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    EquipmentMine New and Used Mining Equipment …EquipmentMine is a searchable database of new, used and surplus mining equipment and parts available for sale.Glossary of Mining Terms Kentucky Co

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    Underground mining (soft rock) WikipediaUnderground soft rock mining is a group of underground mining techniques used to extract coal, oil shale, potash and other minerals or geological materia