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<br />. Coding of FIRM panel lines coincident with USGS 7.5 -minute <br />quadrangle neatlines clarified <br /> <br />. Countywide Map Number parameter code added. <br /> <br />. Clarification of no need for DLG files that contain only FIRM panel <br />neatlines and no county area <br /> <br />FEMA Hydrography <br /> <br />. Outside Area code made explicit <br /> <br />. Inside area identification made explicit <br /> <br />. Code for Computed Cross Section not Shown on DFIRM added, This code <br />would apply to cross sections used for engineering analysis but not <br />plotted on DIRM, <br /> <br />. Road on Levee code added <br /> <br />. "0therll datum code corrected. <br /> <br />. Negative Elevation parameter code changed to allow for data quaUty <br />coding to be consistent between thematic layers. <br /> <br />. Parameter code for coincidence of shoreline and zone break added <br /> <br />. Use of multiple parameter codes for ERM nwnbers and cross sect:~on <br />letters when more than 4 digits are required made explicit. <br /> <br />Flood Hazard Zones <br /> <br />. Outside Area code made explicit <br />. Area code for lOO~year Flood Discharge Contained in Channel added <br />. Area code for SOO-year Flood Discharge Contained in Channel added <br />. Area code for Floodway contained in channel added, <br /> <br />Appendix A <br /> <br />. Diagrams updated to reflect new coding <br /> <br />Appendix B <br /> <br />. Symbology updated to add new features <br /> <br />Appendix C <br /> <br />. No change <br /> <br />10/93 <br />