Excursion in southwestern Ontario
Subtitle: (Excursions A 4, B 1, A 12, B3.).
Contributors: Geological Survey of Canada.
Series: Guide book -- no.4
Publisher: Government Printing Bureau
Published: 1913
Place of publication: Ottawa
Language: eng
Number of pages: 142
Subjects: Geology -- Canada -- Guidebooks.; Geology -- Ontario -- Guidebooks.
Notes: 3 folded maps in pocket on inside back cover.

Issued by the Geological Survey.