Development Methods and Equipment At Lake Shore Mines, Limited

CIM Bulletin1950
G. J. BIRNIE; W. T. ROBSON
THE preparation of the following paper has been undertaken in the belief that a description of the development methods and equipment used at Lake Shore, at the present time, will prove of general interest. Working depths of nearly a mile and a half in shaft sinking and of more than one mile for stoping operations have imposed problems not encountered at shallower horizons.
Keywords: Air, Development, Developments, Douglas fir, float valve, shaft, spruce, stoping, Drifts, Raises, Shafts, steel, Steels, Water
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