Keystone coal industry manual
Mining Information Services of the Maclean Hunter Mining and Construction Group.
- Chicago, Illinois : Maclean Hunter Publishing Co., c1989.
- 1284 p. : ill., some col., maps + 2 fold-out maps inside front and rear covers.
0929531078
90043075
Coal mines and mining--Handbooks, manuals, etc.--United States
0929531078
90043075
Coal mines and mining--Handbooks, manuals, etc.--United States