Underground ventilation at Butte
By: by Daniel Harrington
Series: United States. Bureau of Mines. Bulletin -- 204; Bulletin (United States. Bureau of Mines) -- 204.
Publisher: Govt. print. off.
Published: 1923
Place of publication: Washington
Language: eng
Number of pages: 131
Subjects: Mine ventilation
Notes: At head of title: ... Department of the interior. Hubert Work, secretary. Bureau of mines. H. Foster Bain, director.

Most plates printed on both sides.

First edition, April 1923. cf. p. ii.

"Publications on mine ventilation": p. 126-127.