Blasting hazard awareness
Subtitle: surface coal mines.
Contributors: United States. Mine Safety and Health Administration.; National Mine Health and Safety Academy.
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration; National Mine Health and Safety Academy
Published: 1987
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Coal mines and mining -- Safety measures.; Coal mines and mining -- Explosives.
Notes: Shipping list no.: 87-704-P.

"September 1987."