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1Toronto, Ontario Dept. of Mines.15 no. maps (in pocket) 25 cm.“...Ontario Dept. of Mines....”
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2Published 1924Toronto, Canada : Ontario Dept. of Mines, 1924.87 p. : ill., maps ; 19 cm.“...Ontario Dept. of Mines,...”
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3by Linzon, S. N.
Published 1958Toronto, Ontario Dept. of Lands and Forests, Dept. of Mines, 1958.45 p. illus. 25 cm.“...Ontario Dept. of Lands and Forests, Dept. of Mines,...”