Pleistocene geology of the Lake Simcoe district, Ontario /
Deane, Roy Eric,1909-
Ottawa : E. Cloutier, King's Printer,
1950.
At head of title: Canada. Dept. of Mines amd Technical Surveys.
2 maps & 4 figs. folded in back pocket: Maps 992A & 993A Geology & soils at scale 1:126,720 -- Figs. 6-9.
Bibliography: p. 3.
Geology, Stratigraphic
Geology