There are in the province of Ontario a number of industries centred about the non-metallic minerals. Too little is heard of the part these play in our industrial life. It is with the intention of showing what the gypsum industry is doing in Ontario that this paper is written. The writer lays no claim to any originality in the discussion and merely offers some material in an endeavour to assist in bringing about that 'well-rounded mineral development' sought for Ontario.
Keywords: calcined, Crown Gypsum, plaster of Paris, stucco, York, Ontario, Deposits, Gypsum, Mill, Mills, Mine, Mines, Ontario
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