Results 291 to 300 of about 359,370 (309)

Coal and coal mine drainage.

Journal - Water Pollution Control Federation, 1972
J F, Boyer, V E, Gleason
openaire   +1 more source

Progress in the research and application of coal mining with stowing

International Journal of Mining Science and Technology, 2013
exaly  

Hydraulic coal mining

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1987
openaire   +1 more source

Pennsylvania Coal Mining

Scientific American, 1895
openaire   +1 more source

Coal Mine Accidents

Scientific American, 1908
openaire   +1 more source

Systematic principles of surrounding rock control in longwall mining within thick coal seams

International Journal of Mining Science and Technology, 2019
exaly  

Coal-Mining

openaire   +1 more source

THE USE OF EXPLOSIVES IN COAL MINING AND THEIR EFFECT UPON MINERS

Lancet, The, 1911
exaly  

Coal Mine Surveying

Australian Surveyor, 1936
openaire   +1 more source

COAL MINING METHODS

2016
openaire   +1 more source