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Longwall Coal Mining Video

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Longwall Coal Mining Video

Assessing Longwall Mining Impacts on the Forests Above . 16122015 Dec 16 2015 • Longwall mining is a method of carving hallways into underground coal seams and then mining long corridors of coal adjacent to the hallway As the coal is mined and carried away via conveyer belt to the surface the ceiling above the mined coal collapses This can cause subsidence on the surface Erin .