Browse TRAIL Inventories

The relation of geology to mine roof conditions in the Pocahontas No. 3 coalbed

Geologic structures in coal mine roof

Geologic factors in coal mine roof stability :a progress report

Coal mine roof instability :categories and causes

The character of five selected LANDSAT lineaments in southwestern Pennsylvania

Hillseam geology and roof instability near outcrop in eastern Kentucky drift mines

Roof control of stress-relief jointing near outcrops in central Appalachian drift coal mines


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