Longwall mining
Subtitle: draft
By: by Joseph P. Fama.
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: 1992
Place of publication: [Beckley, WV?]
Language: eng
Subjects: Longwall mining -- United States -- Safety measures.; Coal mines and mining -- United States -- Safety measures.; Coal miners -- Health and hygiene -- United States.
Notes: Cover title.

Shipping list no.: 92-0350-P.

"April 1992."