PHYSICAL COMPOSITION OF SOILS. 



95 



Black Adobe 

 Berkeley 



California 



^^^^^^l^^^^^^Bj^^^^^HJI^^^^^^^^^^B^^ 



Reddish Loa. Soil 



Riverside 

 Cal ifornia 

 If 



Sandy Soil 

 San Joaquin Plains 



Clay; 



Silts Sands 



Diameters' ( in M i 1 i i me terf) 



9 



..0161 



.OJ6J.025! ,0561047 

 ' h-C72 



.0721 .12 

 iJ2O|-.16 



16 

 .30 



.30 



FIG. 8 Illustration of Results of Hydraulic Elutriation, showing extremes of soil texture, and 

 intermediate loam. 



