EOLIAL OR WIND-LAID DEPOSITS 



57 



FIG. 53. The grass in the foreground holds the Band which drifts from the "waste" 

 beyond the fence. (U.S. Dept. of Agriculture-^ 



Fio. 54. Sandis being held by vegetation. In thisway wandering dunes may he changed 

 to permanent ones. (U. S. Dept. of Agriculture. 1 



