Coal mining - Wikipedia - Strip mining of coal

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Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a . Highwall mining can produce thousands of tons of coal in contour-​strip operations with narrow benches, previously mined areas, trench mine. When coal seams are near the surface, it may be economical to extract the coal using open cut (also referred to as open cast.

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By Shakajar - 12:26
Strip mining, removal of soil and rock (overburden) above a layer or seam (​particularly coal), followed by the removal of the exposed mineral. The common.
By Virn - 13:48
Surface mining of coal is an alternative to underground mining and is practiced as strip mining, the most common form, and auger mining. Some coal is also.
By Nikok - 17:27
Strip-Mining Coal in the Heart of Texas. Texas is undeniably a principal in the oil and gas industry. The Lone Star State is also surging ahead in.
By Zulkik - 15:11
Surface coal mining in the steep terrain of the central Appalachian coalfields includes: mountaintop removal,; contour,; area,; highwall, and.

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