First series of coal-dust explosion tests in the experimental mine
By: by George S. Rice ... [et al.]
Series: Bulletin / United States Bureau of Mines -- no. 56; Bulletin (United States. Bureau of Mines) -- 56
Publisher: Govt. Print. Off.
Published: 1913
Place of publication: Washington, D.C
Language: eng
Number of pages: 115
Subjects: Safety; Coal Mining; Coal mines and mining; Safety measures; Mine explosions
Notes: At head of title: ... Department of the Interior. Bureau of Mines. Joseph A. Holmes, Director.

First edition, 1913. cf. verso of t.-p.