The ordovician system in Canada
Subtitle: correlation chart and explanatory text
By: by Christopher R. Barnes, B.S. Norford, and David Skevington
Contributors: Norford, B. S.; Skevington, David; International Union of Geological Sciences
Series: IUGS publication -- no. 8.
Publisher: IUGS Secretariat
Published: 1981
Place of publication: Ottawa
Language: eng
Number of pages: 27
Subjects: Geology; Stratigraphic Geology
Notes: Chart in pocket.

Bibliography: p. 14-27.