Pendleton : A Study of Soil Types 



379 



^r 



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10 0Z5 0.5 I. Z. 4 8. 16 32. 64. Grits. 



Size of Particles "^ 



Fig. 1. Graph showing the results of the Ililgard elutriator method of 

 mechanical analysis on the four samples of Diablo clay adobe. 



