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



Plate I. 



Fig. 1.— Rolling Topography of the Miami Series in Waukesha County, 

 Southeastern Wisconsin. 



[Miami silt loam in the foreground; Miami gravelly loam on the hills.] 



Fig. 2.— Road Cut in Glacial Till in Southern Michigan, Showing the 

 Mingling of Stones and Gravel with the Finer Particles of Sand 

 and Clay. 



