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surface miningSome minerals are also mined from surface pits. See strip-mining. surface of a cell.
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surface miningSurface mining is used when coal is found close to the surface or on hillsides. It involves removing the topsoil and subsoil and setting them aside while the coal is removed.
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surface miningSurface mining is a type of mining in which soil and rock overlying the mineral deposit (the overburden) are removed. It is used when deposits of commercially useful minerals or rock are found near th [..]
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