01317cam a22003251 4500 gs 37000166 DLC 20260227111342.0 761111s1936 oncaf b 000 0 eng c gs 37000166 (OCoLC)2552855 U.S.Geol.survey. Library OGraD NSbSU DLC premarc QE185 .A2 no. 202 Wilson, Alice Evelyn, 1881- Contributions to the study of the Ordovician of Ontario and Quebec, by A. E. Wilson, J. F. Caley, J. C. Sproule and V. J. Okulitch. Ottawa, J.O. Patenaude, I.S.O., Printer to the king, 1936. iv, 133 p. incl. illus., tables, diagr. IX pl. 25 cm. Canada. Geological Survey. Memoir 202 At head of title: Canada. Department of Mines. Bureau of Economic Geology. "Selected bibliography": p. 17-20. "References cited": p. 130. Geology, Stratigraphic Ordovician. Geology Ontario. Geology Québec (Province) Caley, John Fletcher, 1905- joint author. Sproule, John Campbell, 1905- joint author. Okulitch, Vladimir Joseph, 1906- joint author. Memoir (Geological Survey of Canada) ; 202 27360 27360