Category: History - American
Early Man in the New World
[7]Reginald A. Daly, _The Changing World of the Ice Age_ (1934), 47, 182. Ernst Antevs, _The Last Glaciation_ (American Geographical Society Research Series, No. 17, 1928), 81. Richard F. Flint, _Glacial Geology and the Pleistocene Epoch_ (1947), 432-433.