A. Damage to farm land caused by debris washed © 
down from a denuded watershed. This area has : 
since been added to a national forest for protec- 
tion and management. F-26020 
B. The schoolhouse pictured here may be seen 
in the center of the wash above. F-253124 
FOREST—INFLUENCES RESEARCH.— flow for municipal purposes and for irriga- 
FLoops and the silting-up of streams and _ tion, power, and navigation. Thesealladd 
reservoirs are a growing menace. Other up to a staggering bill, which the public” 
damage results from losses of fertile top- | must pay, in part because of ignorance of 
soil, pollution, and irregularity of stream proper land use practices. 
66] 
fee at 
