III.-Rock-Bursts at Lake Shore Mines

CIM Bulletin1940
ONE of the problems encountered in any mine is the effect of increasing pressure manifested by increasing depth. Although the depth at which excessive pressure assumes serious proportion, and the manner in which it appears in underground workings, are influenced by a variety of factors, nevertheless the difficulty is present in all mines and its gravity increases with increasing depth.
Keywords: Drifts, Lake Shore Mines, mining, Rilling, rock, stoping, mining, Ore, Ores, Rock, Rocks, Stoping, Veins
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