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<br /> <br />--... <br /> <br />Line Attribute Codes (continued) <br /> <br />Maj or <br />Code <br /> <br />440 <br /> <br />440 <br /> <br />Minor <br />Code <br /> <br />0270 <br /> <br />0299 <br /> <br />DescriDtor <br /> <br />Zone <br />Bisector <br /> <br />Processing <br />Line <br /> <br />I' <br /> <br />Sinde-Point Attribute Codes <br /> <br />None <br /> <br />I <br />i <br />, <br /> <br />General Purpose Attribute Codes <br /> <br />None <br /> <br />DescriPtive Attribute Codes <br /> <br />Maj or <br />~ <br /> <br />440 <br /> <br />I <br />, <br /> <br />440 <br /> <br />440 <br /> <br />440 <br /> <br />10/93 <br /> <br />Minor <br />Code <br /> <br />0600 <br /> <br />0610 <br /> <br />0611 <br /> <br />0620 <br /> <br />DescriDtor <br /> <br />Multiple <br />Source Data <br /> <br />Feet <br /> <br />Meters <br /> <br />NGVD 29 <br /> <br />Comments <br /> <br />This code identifies a USGS quadrangle <br />neatline that bisects a studied or non- <br />studied area. It is shown by FIS symbol <br />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 aid <br />in the processing of very large files that <br />may exceed the limitations of routines within <br />a given system. It should be usej to <br />subdivide polygons that are defined by <br />gt'eater than 3,000 points. <br /> <br />Cgmments <br /> <br />Indicates an area for which multiple sources <br />show conflicting data. The best available <br />data has been placed in the DLG, however, <br />this code alerts thE' user that the digital <br />data and the hard copy sourc:e data may not <br />agree. (Note: This code may apply to any <br />area code, and will normally be associated <br />with the attribute code for that area. It <br />will not be associated with line codes.) <br /> <br />Preceding unit values are expressed in whole <br />feet. <br /> <br />Preceding unit values are expressed in whole <br />meters. <br /> <br />Preceding unit values are n,ferenced to the <br />National Geodetic Vertical Datum of 1929. <br /> <br />46 <br />