Flint, Richard Foster Glacial map of north america : Part 2 : bibliography and explanatory notes - Boulder : Geological society of America, 1945 - 37 p: - Geological society of America special papers, 60 . bibliogr. p. 7-37 Subjects--Topical Terms: Carte géomorphologiqueGlaciarBibliographie Subjects--Index Terms: Etats Unis