Coal, Volume 95, Issues 6-12Maclean Hunter Publishing Company, 1990 - Coal mines and mining |
Contents
JUNE 1990 | 3 |
Delta mines from strength to strength | 27 |
Selecting the right shield support | |
12 other sections not shown
Common terms and phrases
abrasion acid rain America Anfo Arch belt blast bucket Call Canada capacity Caterpillar Caterpillar Inc Ceramic Chicago Circle clean coal coal industry Coal Mining coal producers COMPAQ Conveyor Corp Corporation costs Crusher cyclone Dana Corp diesel Division dragline Dresser Dresser Industries drilling drive Electric Energy Engineering explosion federal FMC Corp fuel hydraulic Illinois Ingersoll-Rand installed International Joy Technologies Inc Kennametal Kentucky load loaders located longwall longwall mining Lubricants Machine Machinery Maclean Hunter maintenance Manufacturing material ment million tons miners MSHA National Mine Service North Ohio operation P.O. Box panel Peabody Phone plant Products pump Reader Card Reclamation reduce rock roof Rubber safety screen seam slurry Steel surface Telex Terex tion Tovex trucks underground United utility wear West Virginia Wire