Coal mine emergency ventilation
Subtitle: student text material.
Contributors: National Mine Health and Safety Academy.
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy
Published: 1994
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 13
Subjects: Mine ventiliation -- Study and teaching -- United States.; Mine safety -- Study and teaching -- United States.
Notes: Cover title.

Shipping list no.: 94-0075-P.

"CI 9a."