Circular No. 95, U. S. Dept. of Agriculture 



PLATE 1 





A, A roadside cut showing impervious clay layer in Gerald silt loam, marked by the dark horizontal 

 line. 



B, Typical post-oak growth on Lebanon silt loam, where the soil is shallow and the hardpan 

 highly developed. 



C, Mixed forest growth characteristic of Baxter gravelly loam, 



