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Coal and oil shale. When applied to coal mining tailings ponds and oil sands tailings ponds, the term "tailings" refers to fine waste suspended in water.
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Numerical simulation of dewatering thick unconsolidated aquifers for safety of underground coal mining
Dec 11, 2006· The act of taking water from a mine that is being operated has been done since Neolithic times, when the Man was gathering rocks for .