The Black Thunder coal mine in Wyoming is a historical powerhouse of black energy, but it raises urgent concerns about ...

Draglines are commonly used to remove the blasted overburden from open cut coal mines. The overburden may be up to 50 m in depth and consists of rock fragments of varying size. Its removal exposes the ...

In the United States, coal mines must be roof-bolted. Dragline excavators are mining machines that consist of a large bucket suspended from a boom with wire ropes. They are used mainly in open pit ...

As coal mining operations grew bigger ... Later, the educators got to hop on to a dragline excavator, where they watched a large bucket remove several layers of soil to uncover the coal found ...

Coronado Curragh has been charged over the death of a dragline operator at one of its ... the death of a worker at its central Queensland coal mine. Clark Peadon, 54, died at the Curragh mine ...

The Southeast Kansas community learns more about the history of the area’s coal mining. Author of “The ... exhibit about the ...