Middle Callovian sedimentary rocks and guide ammonites from southwestern British Columbia
By: [by] Hans Frebold and H. W. Tipper.
Contributors: Tipper, H. W., joint author.
Series: Geological Survey of Canada. Paper 67-21; Paper (Geological Survey of Canada) ;; 67-21.
Publisher: Queen's Printer
Published: 1967
Place of publication: [Ottawa
Language: eng
Number of pages: 29
Subjects: Geology, Stratigraphic -- Jurassic.; Ammonoidea.; Paleontology -- British Columbia.
Notes: Bibliography: p. 20-22.