Illinois: A Geographical Survey
is a valuable
reference book that can now be read and/or copied at this website of the
Illinois Geographical Society (IGS). The book is presented in DjVu
(dejavu) file format for easy, fast viewing. The DjVu viewer is available as a free download.
There is a DjVu plug in for the MacIntosh. Check this link for Mac system requirements before your download.When the DjVu viewer is installed , you can select the book chapters from the following hot linked copy of the Table of Contents
[Site prepared by Paul S. Anderson, Simon P. Anderson, and Jo Kimler]