Rock-strata gases of the Cripple Creek district, Colo. and their effect on mining
By: by E.H. Denny ... [et al.]
Series: Bulletin (United States. Bureau of Mines) -- 317
Publisher: Govt. Print. Off.
Published: 1930
Place of publication: Washington
Language: eng
Number of pages: 66
Subjects: Mining; Gases; Mine gases; Gases in rocks; Mines and mineral resources
Notes: At head of title: U.S. Department of Commerce. R. P. Lamont, secretary. Bureau of Mines. Scott Turner, director ...

"Publications on mine gases and mine ventilation" : p. 65-66.