The clay products industry of Ontario
By: by G. R. Guillet.
Series: Industrial mineral report ;; 22; Industrial mineral report (Ontario. Dept. of Mines) ;; 22.
Publisher: Ontario Department of Mines
Published: 1967
Place of publication: Toronto
Language: eng
Number of pages: 206
Subjects: Clay industries -- Ontario.; Clay -- Ontario.; Shale -- Ontario.
Notes: Bibliography: p. 198-201.