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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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While it can be expensive, underground mining has its own advantages over open-pit mining.

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2 Opencast coal mining in Wales: Development of the industry in terms of social and environmental impacts Internship research Version: Final 28 September 2015

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Optimization of Blasting Parameters in opencast …

optimization of blasting parameters in opencast mines a thesis submitted in partial fulfillment of the requirements for the degree of

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