TYPE OF EASTERN 

 SOILS 



Upland. 



TYPE OF CALIFORNIA 



SOILS 

 Upland clay -loam. 



UNIFORM . 



FIG. 14. Diagram showing how much deeper 

 plant roots can feed in arid soils than in 

 humid soils. 



autumn, and make a thick cover- 

 ing. The rains and snows press 

 them close to the ground; and 

 molds and mushrooms grow on 

 them and break them up. Then 

 earthworms, insects, and other 

 animals help to work them into 

 the ground, and the molds and 



31 



SOIL 



