Contributions to the study of the Ordovician of Ontario and Quebec - Wilson, Alice Evelyn, 1881-; Caley, John Fletcher, 1905-; Sproule, John Campbell, 1905-; Okulitch, Vladimir Joseph, 1906- (Ottawa, J.O. Patenaude, I.S.O., Printer to the king, 1936)
At head of title: Canada. Department of Mines. Bureau of Economic Geology.
"Selected bibliography": p. 17-20.
"References cited": p. 130.
Keywords: Geology, Stratigraphic -- Ordovician; Geology -- Ontario; Geology -- Québec (Province)