Mining equipment and mine organization and safety
By: comp. and written by Frank H. Kneeland.  Ventilating equipment, by W. M. Weigel.  Erecting work, comp. and written by Hubert E. Collins.
Contributors: Weigel, William Melvin, 1878-; Collins, Hubert Edwin, 1872-
Series: Library of coal mining and engineering
Publisher: McGraw-Hill Book Company
Published: 1915
Place of publication: New York
Language: eng
Subjects: Mining engineering.; Coal mines and mining.; Mine ventilation.; Machinery -- Erecting work.