Coal age
FEATURE ARTICLES
Prep plant population rebounds: Demand and higher prices allows more operators to build and upgrade plants
págs. 20-31
Western Kentucky thrives: Independents and big boys struggle to keep up with increasing demand and a lack of experienced workers
págs. 32-36
Development of a new roof bolt technology to improve gate-road performance: Hilti invents sef-drilling bolt that cuts roof bolting times
Vince Caggiano, Gerhard Rauch, Klaus-Dieter Beck, Jinsheng Chen
págs. 38-39
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