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<br />Table 1. Summary of Discharges <br /> <br />Flooding Source and Locatton <br /> <br />Drainage Area <br />(Square Miles) <br /> <br />Peak Discharges (Cubic Feet per Second) <br />10-Year 50-Year 100-Year 500-Year <br /> <br />Main Tributary <br />Below Chicago-Rock Island and <br />Pacific Railroad (Abandoned) <br /> <br />Middle Tributary <br />At 7th Street <br /> <br />1 1,115 2,650 3,740 7,230 <br />1 400 840 1,115 1,930 <br />1 190 350 440 690 <br />1 310 590 755 1,260 <br /> <br />East Tr ibutary <br />At 7th Street <br /> <br />West Tributary <br />At C Avenue <br /> <br />.... <br />o <br /> <br />Big Sandy Creek <br />At Chicago-Rock Island and Pacific <br />Railroad (Abandoned) <br /> <br />1 <br /> <br />10,000 <br /> <br />29,000 <br /> <br />42,000 <br /> <br />90,000 <br /> <br />1Data Not Available <br />