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Coal is mined by two methods: surface or 'opencast' mining, and underground mining. Skip to ... Coal mining & the environment; Coal & the marine environment;
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Summary: Opencast Vs Underground Mining This is based on summary of a particular chapter in book "Coal Mining in India" by S P Mathur
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how to decide coal opencast vs underground in india > Opencast coal mines can cover many square kilometers. Mountaintop removal is a form of surface. Chat Online;
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