A study of clay winning and its costs in the provinces of Ontario and Quebec
By: by J.F. McMahon.
Contributors: McMahon, J.F.
Publisher: J.O. Patenaude, printer to the King
Published: 1935
Place of publication: Ottawa
Language: eng
Number of pages: 90
Subjects: Clay industries
Notes: At head of title: Canada.  Department of mines ...  Mines branch.

In lower right corner of t.-p.: no. 754.

"Bibliography on clay winning and its cost, 1922-1932": p. 78-87.