long-wall

The tar sands verdict will show whether he really intends to move us to clean energy or whether he will instead support going after dirtier and dirtier fuels tar sands, oil shale, mountaintop removal, long-wall coal mining, hydro-fracking, deep ocean and Arctic exploration, etc.

Jerry Cope: Interview: James Hansen on the Tar Sands Pipeline Protest, the Obama Administration and Intergenerational Justice Jerry Cope 2011

The acquisition would give Milwaukee-based Joy Global a greater foothold in the Chinese coal-mining market as International Mining is one of China's largest underground long-wall coal mining equipment makers, said J.P. Morgan in a research note.

U.S. Miner in Talks to Buy Chinese Firm Alison Tudor 2011

The tar sands verdict will show whether he really intends to move us to clean energy or whether he will instead support going after dirtier and dirtier fuels tar sands, oil shale, mountaintop removal, long-wall coal mining, hydro-fracking, deep ocean and Arctic exploration, etc.

Jerry Cope: Interview: James Hansen on the Tar Sands Pipeline Protest, the Obama Administration and Intergenerational Justice Jerry Cope 2011

The tar sands verdict will show whether he really intends to move us to clean energy or whether he will instead support going after dirtier and dirtier fuels tar sands, oil shale, mountaintop removal, long-wall coal mining, hydro-fracking, deep ocean and Arctic exploration, etc.

Jerry Cope: Interview: James Hansen on the Tar Sands Pipeline Protest, the Obama Administration and Intergenerational Justice Jerry Cope 2011

It has snaked around the long-wall devastation of Southern Illinois, among the dispossessed ranchers of Wyoming and Montana, and through the blighted back yards of Chicago, Milwaukee, and a dozen other cities where toxic relics that might have made sense a century ago have been kept on life-support by utility lobbyists and coal-cozened politicians and regulators.

Carl Pope: Game Time Carl Pope 2011

This mine that we're at right now, all the long-wall mining had been finished, all the development mining had been pretty much finished.

CNN Transcript Aug 17, 2007 2007

Out of twenty-eight tests in a mine working a long-wall face the Davy showed gas only eleven times, while the detecter showed it in every case.

Scientific American Supplement, No. 460, October 25, 1884 Various

The horizontal "flat-back" or "long-wall" stope, as it is variously called, shown in Figure 24, is operated by breaking the ore in slices parallel with the levels.

Principles of Mining Valuation, Organization and Administration Herbert Hoover 1919

In dips under 25° and possessing fairly sound hanging-wall, where long-wall or flat-back cuts are employed, temporary tracks can often be laid in the stopes and the ore run in cars to the main passes.

Principles of Mining Valuation, Organization and Administration Herbert Hoover 1919

The long-wall method of coal mining, extensively practiced in certain parts of the United States, is slowly withdrawing support from the ground overlying the coal seams, resulting in damages to surface structures and in some cases to overlying mineral deposits.

The Economic Aspect of Geology 1915