Zaa ajụjụ a dị mgbagwoju anya: Olee ebe ìgwè agwaetiti ndị ahụ a kpọrọ aha prọfesọ na-akụzi banyere oké ọhịa na Mahadum Purdue site na 1947 ruo 1973 dị?
ugwu ọdịda anyanwụ nke Canisteo Peninsula na Amundsen Sea