Added t.p.: Geological reconnaissance of a portion of Algoma and Thunder Bay districts, Ontario; and, Report on the region lying north of Lake Superior between the Pic and Nipigon rivers, Ontario.
At head of title: Canada. Department of Mines. Geological Survey Branch ...
Cover title.
The first section includes appendices by J.F. Whiteaves and J.F. Fletcher.
Each section includes bibliographical references and an index.