Coal mining | World Coal Association
Coal mining is only a temporary use of land, ... The quality of a coal deposit is determined by: Types of vegetation from which the coal originated; Depths of burial;
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Coal mining is only a temporary use of land, ... The quality of a coal deposit is determined by: Types of vegetation from which the coal originated; Depths of burial;
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Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity.
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Coal can be mined using two distinct mining processes, either open cut or underground depending on the deposit features. While operations by Griffin Coal at Collie ...
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