Blasting requirements surface coal
Subtitle: coal mine entry level training : 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: 28
Subjects: Coal mines and mining -- Study and teaching -- United States.; Coal mines and mining -- Explosives -- Study and teaching -- United States.; Mine safety -- Study and teaching -- United States.
Notes: Cover title.

Shipping list no.: 94-0104-P.

"CI 21a ."