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Counties that have had the DFIRM (Digital Insurance Rate Floodplain Mapping) created. Some Counties may of had only a portion, usually around a city, of their floodplain digital. More counties are being added. Data current as of July 2014. This dataset simplifies the "Zone Types": A: Approximate Zone, 100 year floodplain and AE,AO, AH - Detailed Study of 100-year floodplain; and 0.2 pc annual floodplain as 500-year floodplain & X protected by levee. More information may be obtained from https://msc.fema.gov |