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ground mine to produce 4 million tons of coal per annum and an opencast mine to produce 4,5 million tons ofcoal per annum, with aresultant increase in

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Basics of an open pit mine , , since it is usually feasible to extract multiple seams when surface mining coal In a hard rock mine, the bottom .

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all those, in both the public and private sectors, who have responsibility for safety and health in opencast mining The code is not intended to replace national laws or

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Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow

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Open-pit mining - Wikipedia, the free encyclopedia Open-pit mining, open-cut mining or opencast mining is a surface mining technique of extracting rock or minerals .

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Coal mining - Wikipedia, the free encyclopedia The goal of coal mining is to obtain coal from the ground Coal is valued for its energy content, and, since the .

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Open-pit mining, also known as opencast mining, open-cut mining, and strip mining, means a process of digging out rock or minerals from the earth by their ,

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