Elements of practical coal mining. (1973 .
Elements of practical coal mining. by, 1973, Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers edition, ...
Elements of practical coal mining. by, 1973, Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers edition, ...
Elements of practical coal mining. by M. Cassidy, Society of Mining Engineers of AIME. Coal Division starting at Elements of practical coal mining ...
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Elements of practical coal mining on ResearchGate, the professional network for scientists. ... COAL MININGCoal mining. Chapter · Jan 1988 · Archaeometry.
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