Browse TRAIL Inventories

Coal reserves of the Matewan quadrangle, Kentucky :a coal recoverability study

COALVAL, a prefeasibility software package for evaluating coal properties using Lotus 1-2-3, release 2.2 :documentation and user's guide

Roof control strategies for underground coal mines

A manganese consumption and recycling flow model

Comparison of small mines and small businesses :health and safety barriers and intervention strategies


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