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<br /> <br />o <br />,..'"1 <br />""'" <br />c> <br />..., <br />~ <br /> <br />,; <br />!; <br /> <br />.;i <br /> <br /> <br />Of the total installation cost, about 20 percent would be on <br />cropland, 22 percent on rangeland, 56 percent on forest land, and 2 <br />percent on urban and other land. About 68 percent of this cost would <br />be federal e:xpendi tures and the other 32 percent would be nonfedera1. <br /> <br />In comparing the annual rate of e:xpenditure for installation cost <br />of the suggested program with the annual rate of e:xpenditure for the <br />going program (average for the 1965-70 period): The suggested program <br />rate would be 2.3 times the going program rate for the 1966-1980 time <br />frame; 3.1 times for the 1981-2000 time frame; and 2.0 times for the <br />2001-2020 time frame. <br /> <br />On an equivalent basis, a total of 19.7 million .acres would be <br />adequately treated during the 1966-1980 time frame; 27.3 million acres <br />during 1981-2000; and 17.1 million acres during 2001-2020. <br /> <br />Implementation of the suggested program would minimize irreversible <br />losses of the land resources and preserve the freedom of choice for <br />future resource users. A carefUlly designed and widely applied program <br />will enhance rural development opportunities by providing protection of <br />the land resource base, more efficient production and water use, <br />increased recreation opportunities, improved fish and wildlife habitat, <br />increased and stabilized patterns of streamflow, and reduction of <br />sediment yield. It may also help to relieve population pressures on <br />cities thereby promoting a more healthful urban environment. <br /> <br />Upstream Flood Prevention <br /> <br />The upstream flood prevention portion of the program is considered <br />water related. This portion includes those larger structural measures <br />required to reduce flood damages occurring within watersheds with <br />drainage areas of 250,000 acres or less. In development of the <br />structural program consideration was given to the degree of flood <br />damage prevention which could be accomplished through use of non- <br />structural measures. Considered were such measures as zoning, open <br />space regulation, tax adjustments, flood forecasting, and building <br />codes. Utilization of the nonstructural program is a major requirement <br />in future community planning. Needed land treatment practices and <br />measures are included in the program for flood control; these are <br />described in the "Land Treatment and Management" section. <br /> <br />The principal function of upstream corrective measures is to con- <br />trol floodwaters so that the risk of flood damage for any portion of <br />the upstream flood plain is compatible with the use. Environmental <br />quality was one of the primary considerations in the formulation of the <br />upstream flood control program. The program must be fully coordinated <br />with other existing and planned water and related land resource develop- <br />ment within the Region to insure that maximum multiple use is made of <br /> <br />vi <br /> <br />