Figure 7. — Soil erosion on 

 the Montana study area 

 in relation to 

 percentage of soil 

 surface protected from 

 direct raindrop impact 

 by plants and litter 

 at 2y 6j 10^ and 14 

 percent organic matter 

 in the surface 2 inches 

 of soil. 



0.05 



50 60 70 80 



PLANT AND LITTER COVER (%) 



90 



Figure 8. — Estimated versus 

 actual soil erosion on 

 the Diamond Mountain 

 study area. 



e 

 Ji 

 1 



I 



M 



•o 

 c 



§ 



z 



g 



o 



0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 



ACTUAL SOIL EROSION (Pounds per milacre) 



11 



