The gypsum industry of Canada
By: by L. Heber Cole.
Contributors: Cole, Lionel Heber, 1883-
Publisher: F. A. Acland, printer
Published: 1930
Place of publication: Ottawa
Language: eng
Number of pages: 164
Subjects: Gypsum.; Mines and mineral resources -- Canada.
Notes: Bibliographical foot-notes.
At head of title: Canada.  Dept. of Mines.  Mines Branch.
In lower right corner no. 714.