ARTICLE IV. FOREST CONDITIONS IN ILLINOIS. BY R. CLIF- 

 FORD HALL AND O. D. INGALL. (i6 Pl.\tes, i Text Figure) page 

 Janu.m<y, 191 1 175-253 



Letter of transmittal Reverse of title 



Introduction I7S 



General conditions 17^ 



Forests of southern Illinois I79 



Soil areas and forest types 179 



Bottomland type 180 



General characteristics 181 



Mississippi River 180 



Kaskaskia River 181 



Big Muddy River i8r 



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 



Forest management 223 



The suitability of land for forestr\' 223 



, General methods 225 



Mature stands 225 



Cut-over stands 226 



Special objects 227 



Farm timbers 227 



Cross-ties 227 



Mine-props 228 



Box and cooperage timber 228 



Forest types 228 



Southern bottomlands 228 



Upland hill type 229 



Upland plain type 229 



Early Wisconsin terminal moraine 229 



Northern Illinois types 229 



