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<br />PAST FLOODS <br /> <br />SUt+1ARY OF HISTORICAL FLOODS <br />Large flood discharges have occurred In the study reach <br />of the Big Thompson River and the Little Thompson River. Tables <br />3, 4, and 5 show data collected at the gaging stations operated by <br />the U. S. Geological Survey located at the mouth of the canyon east <br />of Drake and 4 miles west of La Salle on the Big Thompson River <br />and at the station located 7.5 miles southwest of Berthoud on the <br />Little Thompson River. <br /> <br />Table 3 <br />Annual Peak Discharges!! for the Big Thompson River <br />Near DrakeY <br /> <br /> Date <br /> * <br />7 Jul 1906 <br /> * <br /> Sep 1938 <br />22 Jun 1941 <br />7 Jun 1942 <br />19 Jul 1945 <br />21 Jlln 1947 <br />4 Jun 1949 <br /> * <br />3 Aug 1951 <br />9 May 1957 <br />16 Jun 1965 <br />31 Jul 1976 <br /> <br />01 scharQe <br />(c.f.s.) <br /> <br />6,000 <br /> <br />5,600 <br />4,690 <br />3,730 <br />7,600 <br />2,320 <br />3,330 <br /> <br />3,530 <br />2,040 <br />2,220 <br />31,200 (estimated) <br /> <br />!! Only those years having a peak discharge of 2,000 c.f.s. or <br />greater are Indicated. <br /> <br />f! From U.S.G.S. Gaging Station at mouth of canyon, 500 feet up- <br />stream from Handy Ditch diversion dam and 6 miles east of Drake. <br /> <br />Not a continuous record. <br /> <br />* <br /> <br />16 <br />