Gases that occur in metal mines
By: by D. Harrington and E.H. Denny.
Contributors: Denny, Edward H.
Series: Bulletin (United States. Bureau of Mines) ;; 347
Publisher: U.S. G.P.O.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 21
Subjects: Mine gases
Notes: Includes bibliographical references.
At head of title: U.S. Dept. of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, director.