(Of coal) obtained from far below the surface of the ground, not from opencast mines.
More example sentences
- He ‘listened very carefully to our comments on the coal industry and took on board what we were saying about the need for deep-mined coal from the UK to remain a significant part of electricity generation mix’.
- Production of deep-mined coal fell from 204 million tons in 1942 to 175 millions in 1945, though manpower, 766,000 in 1939, had been stabilized at 710,000.
- For centuries, the wealth of Britain was built on deep-mined coal.
- More example sentences
- Veterans of deep mining call the open-cast workers ‘sunshine miners‘.
- In England about 6,000 people are still employed in deep mining and about 575 in Wales.
- However, the health risks associated with deep mining were becoming apparent.