A geological reconnaissance of the region traversed by the National transcontinental railway between Lake Nipigon and Clay Lake, Ontario
By: by W.H. Collins.
Contributors: Collins, W. H. 1878-1937.
Publisher: Government printing bureau
Published: 1909
Place of publication: Ottawa
Language: eng
Number of pages: 67
Subjects: Geology -- Ontario.
Notes: At head of title: Canada. Department of mines. Geological survey branch ...