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<br />. Data set extent: The limits of coverage of the data set expressed as <br />latitude and longitude in decimal degrees, followed by the horizon- <br />tal datum. <br /> <br />Example: 41.125,-87.875, 41.25,-87.5 North American Datum of 1927 <br /> <br />. List of file names included: A complete listing of all DLG file names <br />covered by the referenced county. <br /> <br />. Intended scale of use: 24000 <br /> <br />. Resolution of data: 0.61m <br /> <br />. Projection Na:ne: Universal Transverse Mercator (UTM) <br /> <br />. Horizontal Datum: The coordinate system used for horizontal control. <br />Example: North American Datum of 1927 <br /> <br />. Vertical Datum: The reference system for the Z component of spatial <br />coordin3.tes. <br />Example: National Geodetic Vertical Datum of 1929 <br /> <br />. Projection Units: Meters <br /> <br />. Zone number: UTM zone number. Plus sign is used to indicate Northern <br />Hemisphere <br />Example: UTM +16 <br /> <br />. <br /> <br />Coordinate Pr,ecision: <br /> <br />Single <br />or <br />Double <br /> <br />. Contact type:' Distributor <br /> <br />. Contact organization: Federal Emergency Management Agency <br /> <br />. <br /> <br />Contact Mailing address: <br /> <br />Federal Emergency Management Agency <br />Flood Map Distribution Center <br />6930 (A-F) San Tomas Road <br />Baltimore, Maryland 21227-6227 <br /> <br />. Contact Telep'~one: 1-800-358-9616 <br /> <br />. Contact Instructions: Data requests should include the full name of 1:he <br />community or county and the Flood Insurance Rate Map panel number(s) <br />or 7,5-ninute quadrangle sheet area(s) covered by the request. <br /> <br />. Transfer Mode: CD-ROM only. <br /> <br />10/93 <br /> <br />14 <br />