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<br /> <br />I <br />I <br /> <br />STANDARDS FOR DIGITAL LINE GRAPHS <br />FOR THE NATIONAL FLOOD INSURANCE PROGlWI <br /> <br />HAP PANEL AREAS <br /> <br />Node Attribute Codes <br /> <br />None <br /> <br />Area Attribute Codes <br /> <br />Maj or <br />Code <br /> <br />000 <br /> <br />420 <br /> <br />420 <br /> <br />10/93 <br /> <br />Minor <br />Code <br /> <br />0000 <br /> <br />0150 <br /> <br />0151 <br /> <br />Descriotor <br /> <br />Outside Area <br /> <br />Community-Based <br />FIRM Panel <br /> <br />Area Outside <br />FIRM Panel <br />Neatline <br /> <br />ATTRIBUTE CODING <br /> <br />COllllllents <br /> <br />Each DLG provides a coherent description of <br />that portion of the earth's surface covered <br />by a 1:24,OOO-scale, 7.~.minute cell. To <br />maintain topological consistency and to <br />facilitate the combination (integration) of <br />multiple DLGs, the area outside the cell is <br />specifically identified for each DLG. This <br />area element I which must be the first area <br />present in each data category, is assigned a <br />single attribute code with major and minor <br />codes both equal to zero. <br /> <br />This code identifies the portion of a <br />community covered by a community-based map <br />sheet (panel). A community may consist of <br />more than one FIRM panel. The FIRM panel is <br />further identified by its FIRM panel number <br />(parameter code 421 ____j, its suffix <br />(parameter code 422 00--), its state FIPS <br />code (parameter code 423 00--) and its <br />community number (parameter code 424 ___oj. <br /> <br />This code identifies the area between the <br />FIRM panel neatline and the USGS 7.s-minute <br />quadrangle neatline. Unpanelled areas of the <br />studied county should be identified by the <br />following parameter codes: 421 0000, <br />4220000,423 ---- (State FlPS code), and <br />424 ---- (Community number), or 425 0--- <br />(Countywide map number). <br /> <br />23 <br />