Department Bulletin 1430 
Plate III 
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Erosion of Earth Following Destruction of Vegetation 
Fig. 1. — Forests destroyed by smelter fumes. The soil is unprotected and erosion is most 
destructive 
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F37823 
Soil Protected by Litter 
Fig. 2. — The blanket of needles and litter beneath a dense pine wood is nature's thorough 
protection against erosion of soil 
FOREST LITTER REDUCES EROSION OF SOIL 
