Browse TRAIL Inventories

Relative pressure changes in coal pillars during extraction :a progress report

Causes and prevention of transportation accidents in bituminous coal mines

Coal Mining Techniques in the Federal Republic of Germany - 1971

Safety aspects of longwall mining in the Illinois coal basin

Remedial and strata replacement techniques on longwall faces :a report on the state of the art

Longwall roof support technology in the eighties :a state-of-the-art report


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