Longwall mining
An edition of Longwall mining (1992)
draft
By Joseph P. Fama
Publish Date
1992
Publisher
U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy
Language
eng
Pages
-
1-2 of 2 Editions
Longwall mining
Language: eng
Published In: 1992
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy
Longwall mining
Language: eng
Published In: 1992
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy