Note 4 — 4 THE GREAT ICE AGE
Reading edition
Ernst Antevs, Late Glacial Correlations and Ice Recession in Manitoba (Canada Geological Survey, Memoir 168, 1931), 2, 33.
Reading edition
Ernst Antevs, Late Glacial Correlations and Ice Recession in Manitoba (Canada Geological Survey, Memoir 168, 1931), 2, 33.