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<br />FiGURE IV <br /> <br />~I <br />I; <br />~ <br />1\ ~ <br />~ <br />~ <br />~ <br />.~ <br />~ <br />III <br /> <br /> <br />FLOOD CONTROL EXPENDITU~ES AND RESIDUAL FLOOD DAMAGE <br /> <br />en <br />cr <br /><r <br />-' <br />-' <br />o <br />o <br /> <br /> <br />u.. <br />o <br /> <br />en <br />Z <br />o <br />-' <br />-' <br />::; <br /> <br /> <br />~ <br />1936 <br /> <br />1960 <br /> <br />1966 <br /> <br />~ ANNUAL FEDERAL <br /> <br />. RESIDUAL ANNUA: <br /> <br />FLOOD CONTROL EXPENDITURE IN U. S. <br /> <br />F LGOO DAMAGE IN U. S. <br /> <br />The growth of flood damage throughout the nation has reached <br />rather astronomical proportions. Figure IV indicates annual <br />federal flood control expenditures for dams, dikes, walls, <br />channel improvements and diversion structures and the residual <br />annual flood damages - the damages remaining after construction <br />of the structural measures. <br /> <br />In 1936, when Congress authorized nationwide federal partici- <br />pation in flood control works, the annual expenditures were <br />somewhat minimal while the nationwide flood damage was 100 <br />million dollars. By 1960, the federal expenditures averaged <br />300 million dollars per year while the residual annual damage <br />had climbed to 300 mill ion dollars. In 1966, federal expendi- <br />tures were 500 miilion dollars and residual flood damages <br />reached one billion dollars annually, all occurring in but <br />6 per cent of our nation. The relative growth rates indicate <br />a losing battle I,aged by structural measures alone, so by the <br />year 2000, the figures are anyone's guess. To date, more than <br />7 billion dollars have been expended for federal flood control <br />structures throughout the nation. <br /> <br />:.J - <br />