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<br />Zone AE <br /> <br />Zone AE is the flood insurance rate zone that corresponds to the I-percent-annual-chance floodplains <br />that are determined in the FIS report by detailed methods. Whole-foot BFEs derived from the detailed <br />hydraulic analyses are shown at selected intervals within this zone. <br /> <br />Zone X <br /> <br />Zone X is the flood insurance rate zone that corresponds to areas outside the <br />0.2-percent-annual-chance floodplain, areas within the 0.2-percent-annual-chance floodplain, areas of <br />I-percent-annual-chance flooding where average depths are less than 1 foot, areas of <br />I-percent-annual-chance flooding where the contributing drainage area is less than 1 square mile, and <br />areas protected from the base flood by levees. No BFEs or depths are shown within this zone. <br /> <br />6.0 FLOOD INSURANCE RATE MAP <br /> <br />The FIRM is designed for flood insurance and floodplain management applications. <br /> <br />For flood insurance applications, the map designates flood insurance rate zones as described in <br />Section 5.0 and, in the I-percent-annual-chance floodplains that were studied by detailed methods, <br />shows selected whole-foot BFEs or average depths. Insurance agents use zones and BFEs in <br />conjunction with information on structures and their contents to assign premium rates for flood <br />insurance policies. <br /> <br />For floodplain management applications, the map shows by tints, screens, and symbols, the 1- and <br />0.2-percent-annual-chance floodplains, floodways, and the locations of selected cross sections used in <br />the hydraulic analyses and floodway computations. <br /> <br />7.0 OTHER STUDIES <br /> <br />No previous studies have been prepared for the Town of Silt. <br /> <br />This FIS report either supersedes or is compatible with all previous studies published on streams <br />studied in this report and should be considered authoritative for the pUIposes of the NFIP. <br /> <br />8.0 LOCATION OF DATA <br /> <br />Information concerning the pertinent data used in the preparation of this study can be obtained by <br />contacting Federal Insurance and Mitigation Division, FEMA Region VIII, Denver Federal Center, <br />Building 710, Box 25267, Denver, Colorado 80225-0267. <br /> <br />9 <br />