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Zone A2: Special Flood Hazard Areas inundated by the 100-year flood, determined by detailed methods; base flood elevations shown, and zones subdivided according to Flood Hazard Factors. Zone B: Areas between the Special Flood Hazard Areas and the limits of the SOQ-year flood, including areas of the SO a-year flood plain that are protected from the lOa-year flood by dike, levee, or other water control structure; also areas subject to certain types of 100- year shallow flooding where depths are less than 1.0 foot; and areas subject to 'lOa-year flooding from sources with drainage areas less than 1 square mile. Zone B is not subdivided. Zone c: Areas of minimal flooding. The flood elevation differences, Flood Hazard Factors, flood insurance zones, and base flood elevations for each flooding source studied in detail in the community are summarized in Table 2. 5.4 Flood Insurance Rate Map Description The Flood Insurance Rate Map for the Town of Nunn is, for insurance purposes, the principal result of the Flood Insurance Study. This map (published separately) contains the official delineation of flood insurance zones and base flood elevation lines. Base flood elevation lines show the locations of the expected whole-foot water-surface elevations of the base (IOO-year) flood. This map is developed in accordance with the latest flood insurance map preparation guidelines published by the Federal Insurance Administra- tion. 6.0 OTHER STUDIES This Flood Insurance Study Flood Hazard Boundary Maps no other published reports of Spring Creek Tributary. is consistent with the previously for the community (Reference 12). regarding the flood hydrology and published There are hydraulics This study is authoritative for the purposes of the Flood Insurance Program; data presented herein either supersede or are compatible with all previous determinations. 10