Diagram illustrating mechanical Analyses of Soil No. 21 from the Government 



Experiment Station. Robertson. 



Petal led Analysis. Summary. 



1 2345*6 78 9 10 ' 







I & 



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S3 



cc En 



^ 

 o 



Perctnt. 



O 



too 



to 

 O 



100 



r 



fo 



z 



so 



uo 



o 

 too 



1* 



9o 

 7 



tt> 



o 

 too 



o 

 100 



I 



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uo 



*0 

 JO 

 IO 







