Sinking of a Circular Air Shaft to No. 12 Colliery at New Waterford, N.S.

IN the year 1933, workings at the No. 12 colliery, New Waterford, of the Dominion Coal Company, Limited, had advanced to a point where additional ventilation would soon be required . Furthermore, development of the mine was being .made to practically double the output of coal. Consequently, authorization was given to sink a shaft to the workings.
Keywords: Cement, Cementation, ColJar Shaft, colliery, Francois Cementation Company, grout, headframe, Concrete, Construction, Equipment, Fans, Hoists, Shafts, Water, Waters
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