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<br /> <br />Line Attribute Codes <br />Maj or Minor <br />~ ~ Descritltor <br />420 0250 FIRM Panel <br /> Neatline <br />420 0270 Map Area <br /> Bisector <br />420 0299 Processing <br /> Line <br /> <br />Comments <br /> <br />This code identifies a line that defines the <br />perimeter of each FIRM panel. It is shown by <br />FIS svmbol L212. <br /> <br />This code identifies the USGS 7.5-minute <br />quadrangle that bisects the FIRM panel. It <br />is shown by FIS symbol L212. <br /> <br />This code identifies a digitized line that <br />segments the data within a file for <br />processing. It is used primarily as an did <br />in the processing of very large files that <br />may exceed the limitations of routines wi~pin <br />a given system. It should be used to <br />subdivide polygons that are defined by <br />greater than 3,000 points. <br /> <br />Note: For communities mapped using a panelling scheme based on USGS 7.5- <br />minute quadrangle sheets or portions thereof, the USGS quadrangle <br />neatline may have two codes attached to it: 420 0270 and 420 0250, in <br />that order, indicating that the neatline (or portion of the neatline) <br />is both a USGS and FIRM panel neatline.' <br /> <br />SinEle-tloint Attribute Codes <br /> <br />None <br /> <br />General Purnose Attribute Codes <br /> <br />None <br /> <br />Descritltive Attribute Codes <br /> <br />None <br /> <br />10/93 <br /> <br />25 <br />