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<br />D~~~~ <br />~~...A~....~.~'.~'~~~~'~'''' <br />~~~~~~~~~~~~~~~~~~~::.."'~,~~~'\~"'''''~~,,'-'''''-~~,, ,0: '" ", '" ~ " " <br /> <br />ON THE <br />ANIMAS RIVER AND TRIBUTARIES <br /> <br />The purpose of FPI reports is to provide a basis for <br />managing the use of flood prone lands in such a <br />way that flood hazards and damage during future <br />floods are minimized Of eliminated. <br /> <br /> <br />Durango and surrounding agricultural lands along <br />the Animas River and Tributaries (Junction, Dry <br />Gulch, and Lightner Creeks) have been damaged <br />by large floods in the past. Studies made for a <br />flood plain information (FPI) report on these <br />streams show that floods of similar magnitude can <br />occur on these streams in the future. The FPI Re. <br />port presents facts on the flood potential and <br />flood hazard along the Animas River and Tribu- <br />taries. It includes maps, drawings, and photographs <br />that illustrate the extent and severity of future <br />floods that have been qesignated as the Inter- <br />mediate Regional Flood (lRF) and Standard <br />Project Flood ISPF). An IRF is one that could <br />occur about once in 100 years on the average al- <br />though it may (Xcur, and has a 1 percent probabil- <br />ity of occurring, in any given year. An SPF is an <br />extremely large flood, but one that can reasonably <br />be expected to occur in the future. It would be a <br />much larger flood than an I RF, but still could <br />occur in any particular year. <br /> <br />Floodinga/ong Lifl1tner Creek, October 1972. (Durango Herald Photo) <br />