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 ...
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Get PriceCoal mining has taken a tremendous toll on human health and the environment. Vast tracts of forests, mountains and farmland have been cleared to make way for coal mines.
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Get PriceThis section describes the five main types of surface coal mining techniques: area mining, open pit mining, contour mining, auger mining, and mountaintop removal.
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Get PriceCoal mining - Wikipedia, the free encyclopedia . History · Methods of extraction · Production · Modern mining · Safety ; Coal mining can result in a number of ...
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