Excerpt from An Integrated Geophysical and Geological Investigation of Aquifers in Glacial Drift Near Champaign-Urbana, Illinois These systems enter the Wabash, the Vermilion in Indiana, and the Em barrass in Lawrence County, Illinois. In the southwest portion Of the area the surface drainage forms the headwaters of the Kaskaskia system which joins the Mississippi River fifty miles south Of St. Louis. In the west and northwest portions the drainage enters the Sangamon system which in turn joins the Illinois River in northern Cass County. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work.

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