01098cam a22002771 4500 gs 12000466 DLC 20260227111313.0 721206s1912 oncf f000 0 eng c gs 12000466 (OCoLC)507070 U.S. Geol. survey. Library OAkU OCoLC NSbSU DLC n-cn-on QE185 .A2 no. 28 QE191 .L25 Lawson, Andrew C. (Andrew Cowper), 1861-1952. 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 At head of title: Canada. Department of mines. Geological survey branch ... Geology Ontario Steeprock Lake. Paleontology Ontario Steeprock Lake. Walcott, Charles D. (Charles Doolittle), 1850-1927. Memoir (Geological Survey of Canada) ; 28 25157 25157