OCR Text |
Show (!;mt pure walor for domestic and Industrial purposes and Irrigation, regulated stream flow for water power pow-er and navigation, and prevention of floods and soil erosion. Soil Erosion Problems Call for Settlement Practically every part of the country coun-try has one or more serious problems prob-lems to meet relating to erosion or stream Mow, according to the United States forest service. Almost tliree-foui'ths of the total forest area of the United States lias major or moderate influence on watershed wa-tershed values. The varied and complex com-plex influences of climate, forest type and condition, and character of soil on stream flow and on erosion must be carefully determined, says (he forest service, if forest -la ml management manage-ment Is to meet watershed-protection requirements. Marked changes are taking dace In the course of many streams, foresters for-esters report. Undesirable soil movement move-ment Is taking dace on great areas of watershed land, llolh are largely the result of improper use of forest, range, and farm land. Watershed problems to lie faced in (lie Immediate-future include supplying abun- |