Bentonite
By: by Hugh S. Spence.
Contributors: Spence, Hugh Swaine, 1885-
Publisher: F.A. Acland
Published: 1924
Place of publication: Ottawa
Language: eng
Number of pages: 35
Subjects: Bentonite
Notes: At head of title: Canada.  Department of mines.  Hon. Charles Stewart, minister; Charles Camsell, deputy minister.  Mines branch.  Johy McLeish, director.

No. 626.

Bibliography: p. 32-35.