Dust Suppression In the Sydney Coal Field

THE Dominion Steel & Coal Corporation, through its subsidiaries, the Old Sydney Collieries and the Dominion Coal Company Limited, produces 4% million tons of coal annually from eight submarine collieries situated on the eastern coast of Cape Breton Island. The present workings have a frontage of 20 miles and extend 31/2 miles under the Atlantic ocean on gradients varying from 4 deg. to 24 deg. To date, some of the workings have reached .a depth of cover up to 2,800 feet.
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