FP_ZONEX shows areas of shallow 100-year floodplain (ZONE X - SHADED) with identified subclassifications for areas within unincorporated Pima County. Areas in this layer should have identical exterior boundaries to the area of ZONE X - SHADED polygons in the fp_dfirm layer. Known Errors/Qualifications: Based on fp_dirm which is a composite of FEMA Maps with different scales and years. Coverage format users must filter out interior island polygons create by coversion to coverage format, typically using xsubclss <> ' Lineage: Polygons were created by selecting shallow 100 year floodplain from fp_dfirm and erasing areas identified as being outside RFCD jurisdiction by limjuris. Spatial Domain: Pima County Rectified: quads Maintenance Description: GIS ITD will update the data in the geodatabase based on revisions to the fp_dfirm data layer. Maintenance Frequency: Varies Maintenance Format: Enterprise GDB Primary Source Organization: PCRFCD Primary Source Contact: Kenneth Maits Primary Source Date: 20070521 Primary Source Format: Shape GIS Contact: Mary Beth Clark
