The Geography of Illinois (Classic Reprint) J. Goode

Excerpt from The Geography of Illinois

The old land of this so-called pre-Cambrian time extended from northern Minnesota to Norway and Scotland. South of this land lay large islands in what is now northern Wisconsin, and in the Adirondack region; Это и многое другое вы найдете в книге The Geography of Illinois (Classic Reprint) (J. Goode)