Gases met with in mines ; Mine ventilation ; Economic geology of coal ; Prospecting for coal and location of openings ; Shafts, slopes and drifts ; Methods of working coal mines ; Electric hoisting and haulage ; Electric pumping, signaling and lighting ; Electric coal-cutting machinery.
Scranton [Pa.] : International Textbook Co., c1903.
International library of technology ;
Coal mines and mining.
1 v. (various pagings) :
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