The geology of Steeprock lake, Ontario,
by Andrew C. Lawson. Notes on fossils from limestone of Steeprock lake, Ontario, by Charles D. Walcott.
- Ottawa, Government printing bureau, 1912.
- 23 p. incl. II pl. 25 cm.
- Canada. Geological survey. Memoir 28 .
- Memoir (Geological Survey of Canada) ; 28 .
At head of title: Canada. Department of mines. Geological survey branch ...