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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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HAT CREEK PROJECT MINING FEASIBILITY REPOR VOLUME VI CAPITAL AND OPERATING COSTS prepared for British Columbia Hydro and Power Authority
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New approach for estimating total mining costs in surface coal mines S. Shafiee*1 and E. Topal2 Accurate cost estimation is a critical component of mining project ...
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