Bui. 142, U. S. Dept. of Agriculture. 



Plate XII. 



Fig. 1.— Thrashing Small Grains on the Miami Silt Loam, Deep Phase, in 

 Southeastern Wisconsin. 



**<* * * '*'*> 



** - ~ m 





Fig. 2.— A Typical Field of Winter Wheat on the Miami Clay Loam in West- 

 Central Ohio. 



[Note the nearly level surface of this soil type.] 



