FORESTRY 



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tected from evaporation by the foliage, soil water will 

 continue to be supplied to the surrounding open land long 

 after it would have become dry had the forests been removed. 

 Mountain soils have been found which hold back five times 

 their own weight of water. 



Slopes from which the forests have been removed become 

 an easy prey to the forces of erosion, and the soil which 



BAD FORESTRY 

 The forest was razed, leaving no small trees for future growth. 



for thousands of years has been accumulating may be 

 swept away by the rainfall of a few seasons, leaving the 

 slopes bare of soil and devoid of vegetable life. Thus the 

 sites of valuable forests, which by proper care might have 

 been continual wealth producers, are rendered nearly 

 profitless deserts. 



The harmfulness, however, does not stop here. The 

 rain that falls upon these slopes, and which was formerly 

 retained by the roots and vegetation, so that it slowly 



