Optimum Strip Ratio for Pitching Seams

STRIP mining in Western Canada, though of considerable importance, is a fairly recent development for many of the operators in the district. Adding to the difficulty of unfamiliarity is the fact that a great deal of the stripping is done on pitching seams, for which the engineering and economic principles of setting the most advantageous strip ratio are not readily apparent.
Keywords: Coal, coal, cubic yard, overburden, strip mine, underground mine, Cost, Costs, Operation, Operators, Overburden, Production, Profits, Strip mine, Stripping
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