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<br />It <br /> <br />Changes made to this edition: <br /> <br />Introduction <br /> <br />. <br /> <br />No change <br /> <br />Data Record contents <br /> <br />This section has been expanded to include a more detailed <br />description of the contents of Digital Line Graph files. <br /> <br />. <br /> <br />. <br /> <br />File header contents. A new FEMA identifier was added to <br />differentiate FIRM-DLGs from DFIRH-DLGs <br /> <br />File Naming Convention <br /> <br />. File naming was clarified to include only lower case names <br /> <br />. State 'cl;; county FIPs codes were clarified to be only the r,""eric <br />codes <br /> <br />Metadata File <br /> <br />. This is a new requirement for a read.me file that will accompany all <br />FEMA DLGs. One file will be prepared for .each county submitted. <br />The Metadata file is intended to document sources, file names, <br />scales, projections, etc. as required by the Spatial Data Transfer <br />Standards. <br /> <br />Data Quality Codes <br /> <br />. This is a recommended but not mandatory scheme for identifying <br />source map type and scale. A parameter code woule be added to every <br />element in the FEMA DLG files identifying the data source. <br /> <br />political Areas <br /> <br />. Outside Area code made explicit <br /> <br />. Treatment of undefined political boundaries clarified <br /> <br />. Extraterritorial Jurisdictional Boundary code added <br /> <br />. Clarification of use of only one line code per political boundary <br />line. <br /> <br />Map Panel Areas <br /> <br />. Outside Area code made explicit <br /> <br />. Treatment of unpanelled areas of county clarified <br /> <br />. Unmapped Community code added <br /> <br />10/93 <br />