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<br />73 <br /> <br /> <br />0:'1858 <br /> <br /> <br />. would also damage the C. & vv. tracks, the A. T. & S. F. bridge, <br /> <br /> <br />State Highwuy No. l2 and irrigation structures, und would cause <br /> <br />a partial loss of crops on, and erosion of irrigated lunds. These <br /> <br /> <br />dr.mages, exclusive of probuble loss of life und interruption to the <br /> <br /> <br />normal trccff'ic traversing the valley, are estimated ut $100,000. <br /> <br />For the floods of greater magnitude, the total danutge <br /> <br /> <br />will increc.se rapidly due to additionul overflow of bctllks with <br /> <br /> <br />extensive damage to railroad tracks, highways, and irrigated lands. <br /> <br /> <br />The A. T. & S. r'. railroad bridge may be lost with the 1,000-year <br /> <br /> <br />flood. It is estimated that the losses for this flood will be <br /> <br />fully three times those for the 65-year flood, with resulting <br /> <br />dur.lages of $300,000. Damage for all flood1l from the 1- to 10-year <br /> <br />frequency, together with the annual cost of ordinary maintenance <br /> <br />. <br /> <br />and repairs occasioned by flood waters, is estimated to average <br /> <br />$/+,000 a year. <br /> <br />In Trinidad. <br /> <br />(b) The carryin(3 capacity of the present cbmnel through <br />the city is about 25,000 second-feet, althou(3h little overflow <br />resulted from the 1925 flood of 30,000 second-feet. A concrete <br /> <br />protection wall has been constructed east and west of the <br /> <br />Commercial StreGt bridge but recent floods (June-July 1938) de- <br /> <br /> <br />stroyed about 250 lineal feet of wall and seriously daoaged other <br /> <br /> <br />sections. Drmving No. 256-D-ll8 shows the rwch throuC;h Trinidad <br /> <br /> <br />exclusive of the Lindon Street briage, which is about 1,300 feet <br /> <br />dovmstrenr:. from Chestnut Street. Only the weLckoned Main Street <br /> <br />. <br />