CONTENTS 



PAGE. 



Letter of Transmittal Reverse of title 



Introduction 175 



General conditions 176 



Forests of Southern Illinois 179 



Soil areas and forest types 179 



Bottomland type 180 



General characteristics 180 



Mississippi River 180 



Kaskaskia River 181 



Big Muddy River : 181 



Cache River 182 



Wabash River 182 



Silvicultural conditions 185 



Upland hill type 188 



Upland plain type 191 



Oak-hickory type 191 



Post-oak type 192 



The early Wisconsin terminal moraine 195 



Forests of Northern Illinois 197 



Extent of the investigation 197 



Bottomland type 197 



Sand dunes 198 



Upland type 200 



Calhoun and Jo Daviess Counties 201 



Distribution of tree species 203 



List of trees native to Illinois 206 



Ownership and taxation of forest lands 211 



Timber industries 212 



Lumber mills 213 



Cross-ties 217 



Mine-timbers 218 



Slack cooperage 220 



Hoop-poles 221 



Box material 221 



Charcoal 221 



Fence posts 221 



The nut industry 222 



