Mine ventilation in Coeur d'Alene mining district.

Bibliographic Details

Other Authors:	McElroy, G. E. (George Edward), 1889-
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1931.
Series:	Mines Bur. Info. Circ. No. 6382
Subjects:	Ventilation. Electronic books.
Online Access:	Connect to the full text of this electronic document