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With continuing investigations and developments, roof bolting today can in most cases successfully reinforce the mine roof in underground mining. In order to cope with the increasing use of roof...

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Coal mining - Wikipedia

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Hazard Recognition and Avoidance in Surface Coal Mining (1980)* ... Roof Bolting in Coal Mines (1973)* Roof Evaluations and Decisions* Safety Consciousness (1969)*

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Rock bolt | mining | Britannica.com

Rock bolt: Rock bolt, in tunneling and underground mining, steel rod inserted in a hole drilled into the roof or walls of a rock formation to provide support to the roof or sides of the cavity.

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