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Coal mining

Coal mining - Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many ,...

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Coal mining

Coal mining is the process of extracting coal from the ground Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is a 'pit', and ....

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Coal mining in the United States

Coal mining in the United States is an industry in transition Production in 2017 was down 33% from the peak production of 1,1627 million short tons (1,055 million metric tons) in 2006Employment of 50,000 coal miners is down from a peak of 883,000 in 1923 Generation of electricity is the largest user of coal, being used to produce 50% of electric power in 2005 and 27% in 2018...

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Glossary of coal mining terminology

This is a partial glossary of coal mining terminology commonly used in the coalfields of the United Kingdom Some words were in use throughout the coalfields, some are historic and some are local to the different British coalfields A Adit An adit is an underground level or tunnel to the surface for access or drainage purpos ....

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History of coal mining

The history of coal mining goes back thousands of years It became important in the Industrial Revolution of the 19th and 20th centuries, when it was primarily used to power steam engines, heat buildings and generate electricity Coal mining continues as an important economic activity today Compared to wood fuels, coal yields a higher amount of energy per mass and can often be obtained ,...

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