Ten feet and rising
David Gambrel
págs. 24-25
High quality western bituminous & metallurgical coal keeps finding homes overseas
Lee Buchsbaum
págs. 26-30
Westech sets new world record for truck bodies
Steve Fiscor
págs. 32-33
OTR tire supply comes under pressure
Russ Carter
págs. 34-37
Improved recognition of lifeline tactile signals by miners
Catherine Kingsley Westerman, Robert Peters
págs. 40-43
Subbituminous coal deliveries eclipse bituminous deliveries
págs. 44-45
Strata completes fully manned refuge chamber test
págs. 46-47
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