Subsurface stratigraphy of Ordovician rocks in southwestern Ontario
By: by B.V. Sanford
Contributors: Geological Survey of Canada.
Series: Paper / Geological Survey of Canada --  60-26; Paper (Geological Survey of Canada) --  60-26
Publisher: Geological Survey of Canada
Published: 1961
Place of publication: Ottawa, Ont
Language: eng
Number of pages: 54
Subjects: Geology -- Ontario.; Petrology -- Ontario; Geology, Stratigraphic -- Ordovician.
Notes: Bibliography: p. 36-40.