SIZE ANALYSIS 



Millimeters 



.55 .45 .35 

 .601 .50 I .40 I .30 



.09 .or 



10 I .08 1.062 



0.5 1.0 1.5 



Phi Units 



COARSE SAND MEDIUM SAND 



WENTWORTH SCALE 



borrow area K (Fig. 28) 



Curve 



Core 



Depth 

 (feet) 



Mean value 

 (phi) (millimeters) 



(1) 

 (2) 

 (3) 



63 

 71 

 72 



top 



-1.0 



top 



1.19 

 0.70 

 2.63 



0.438 

 0.617 

 0.161 



122 



