00953cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001800092040004700110042001200157050002300169051002500192100002800217245006200245260004900307300009200356410004500448500006800493504002400561650004100585650004400626999001700670gs 51000086 DLC20260227111357.0720309s1950 oncabf b f000 0 eng c ags 51000086  a(OCoLC)260095 aU.S. Geol. Survey. Libr.cOAkUdOCoLCdDLC apremarc00aQE185b.A2 no. 256 aQE741b.D25cCopy 2.1 aDeane, Roy Eric,d1909-10aPleistocene geology of the Lake Simcoe district, Ontario. aOttawa,bE. Cloutier, King's Printer,c1950. avii, 108 p.billus., plates, 5 fold. maps (in pocket) fold. profile (in pocket)c25 cm.10aCanada.bGeological Survey.tMemoirv256 aAt head of title: Canada. Dept. of Mines amd Technical Surveys. aBibliography: p. 3. 0aGeology, StratigraphicyPleistocene. 0aGeologyzOntariozLake Simkoe district. c28535d28535