Catalog Record: Coal-mine ventilation factors | Hathi Trust Digital Library

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Coal-mine ventilation factors / by H.P. Greenwald and G.E. McElroy.

Main Author:	Greenwald, H. P. b. 1893.
Other Authors:	McElroy, G. E. 1889-
Language(s):	English
Published:	Washington : U.S. G.P.O., 1929.
Subjects:	Mine ventilation. Coal mines and mining.
Note:	At head of title: Department of Commerce. William F. Whiting, secretary. Bureau of Mines. Scott Turner, director. Includes index.
Physical Description:	v, 106 p. : ill. ; 24 cm.
Original Format:	Book
Original Classification Number:	TN23 .U4 no. 285
Locate a Print Version:	Find in a library

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Full viewno. 285 (original from University of Illinois)

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