U. S. SOIL CONSERVATION SERVICE 



Figure 23. Sheet erosion and silting; an early 

 stage in the destruction of fertile land. Compare 

 figures 35, 36, 37. 



U.S. SOIL CONSERVATION SERVICE 



Figure 24. The beginning of gullying. Compare 

 figure 38. 



Figure 25. Eroded cowpaths have become serious 

 gullies. Compare figures 38, 39, 40. 



. . 



