Trans. Wis. Acad., Vol. XIII. 



Di sTRtBurioN OF Soils 



Plate XXXIX. 



W, 



m 



PRAIRIE LCHM 



HEHVIEF^ M/^ffLY CLBY 





HUMUS {pert) 



SILICEOUS S/INPY LOffM 



I I LIGHTER Mf\RLr CLRY 



BOUNPRRY ChRNGES 



BRIGHTON 

 ZZ.QSO. SI A. 



LEM 



19, e9~),0Z A 



FEASANT 

 PRAI Rl, 



Co 



lO 



7 "^ 



5 ? 



Fi.lS E 



H ZO. E 



R.ZI . E 



H.2Z. E 



R.Z3E, 



