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 



27 



