PRACTICE IX (Continued) 



Soils 



• 



Gray Silt or Gray 

 SiLT Loam 



Brown Silt Loam 



Clay or Clay Loam 





1 



2 



3 



1 



2 



3 



1 



2 



3 



Amount of water used .... 





















Weight to overcome tenacity . 



1 

 2 



» 





































Average of trials . . ... 

























Weight to overcome friction . . 





















Tenacity 





















Fig. 2. Tenacity-Test Apparatus 



21 



