Author: Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 784
Book Description
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 PDF Download
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Author: Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 784
Book Description
Author: 
Author: American Institute of Mining Engineers
Author: American Institute of Mining, Metallurgical, and Petroleum Engineers
Author: Metallurgical Society of AIME.
Author: United States. Bureau of Labor
Author: 
Author: United States. Bureau of Labor
Author: United States. Department of Labor
Author: United States. Bureau of Labor
Author: Pittsburgh, Pa. Carnegie Free Library of Alleghany