Impacts of Longwall Mining on Gas Wells

By Greg Rumbaugh, supervisory engineer, MSHA Roof Control Division The proliferation of unconventional gas well development in the Northern Appalachian coalfields has raised a number of mine safety concerns. Unconventional wells, which extract gas from deep shale...

Coal Mine Barrier Pillar Design

By Dale Hamilton, geologist, MSHA Roof Control Division As coal mine operators in the U.S. extract deeper seams, barrier pillar design becomes one of the most critical elements for safe and successful extraction of reserves. Mine operators employ different strategies...

Electromagnetic Interference Considerations in Underground Coal Mines

Dr. Jim Zhou, Senior Electrical Engineer, NIOSH Modern smart mining increasingly depends on the use of sophisticated electrical and electronic systems for improved safety and better productivity. With more electronic systems being introduced underground, the mining...
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