The gypsum industry of Canada,
The gypsum industry of Canada,
by L. Heber Cole.
- Ottawa, F. A. Acland, printer, 1930.
- vii, 164 p. tables, diagrs. XX pl., 2 fold. maps, fold. tables. 25 cm.
At head of title: Canada. Dept. of Mines. Mines Branch. In lower right corner no. 714.
Bibliographical foot-notes.
gs 30000213
Gypsum.
Mines and mineral resources--Canada.
TN946 / .C33 1930
At head of title: Canada. Dept. of Mines. Mines Branch. In lower right corner no. 714.
Bibliographical foot-notes.
gs 30000213
Gypsum.
Mines and mineral resources--Canada.
TN946 / .C33 1930