Bentonite in Canada.
Series: Canada.  Mines Branch (1950-    )  Monograph, 873
Publisher: [R. Duhamel, Queen's Printer and Controller of Stationery]  Dept. of Mines and Technical Surveys
Published: 1964
Place of publication: Ottawa
Language: eng
Number of pages: 61
Subjects: Bentonite.
Notes: ERIN copy is photocopy.