Blasting requirements-- surface coal
Subtitle: coal entry level training : student text material and instructor's guide
Publisher: U.S. Department of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy
Published: 1994
Place of publication: Washington, D.C.?]
Language: eng
Subjects: Coal mines and mining; Study and teaching; Explosives; Mine safety
Notes: Cover title.

Shipping list no.: 94-0117-P.

"CI 21."

Includes bibliographical references.