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Federal
Elk Creek Seismic Waveforms 2011 (Part 6 of 19)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s... -
Federal
Elk Creek Seismic Waveforms 2012 (Part 4 of 20)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s... -
Federal
Elk Creek Seismic Waveforms 2010 (Part 6 of 7)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s... -
Federal
Elk Creek Seismic Waveforms 2011 (Part 14 of 19)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s... -
Federal
Elk Creek Seismic Waveforms 2012 (Part 2 of 20)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s... -
Federal
Elk Creek Seismic Waveforms 2010 (Part 4 of 7)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s... -
Federal
Elk Creek Seismic Waveforms 2012 (Part 18 of 20)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s... -
Federal
Elk Creek Seismic Waveforms 2010 (Part 3 of 7)
U.S. Department of Health & Human Services —
Coal bursts (damaging seismic events in underground coal mines) pose a substantial threat to operations and mine workers. The underground coal mines in Colorado’s...