PRACTICE XII (Continued) 



What is the weight of a cubic foot of soil under the above 

 conditions ? 



References. 



" Soils," Lyon and Fippin, pp. 94-96. 



" The Soil," Hall, pp. 64-65. 



** Physical Properties of Soil," Warington, pp. 44-49, 



" Soils," Hilgard, pp. 107-108. 



Soil 



Student 







Condition of Soil 









1 



2 



1 



2 



Weight of pan and water-free soil 











Weight of pan 















Weight of water-free soil 















Capacity of tube in cc. = volume of soil 











Apparent sp. gr. based on wt. of water-free soil . . . 











Weight of a cubic foot of soil in pounds 











27 



