20230410 11270100 1.0 TRUE Historic Districts Polygon coverage of the Twenty-eight (28) National register Districts. Polygons have attributes for HISTDIST and HISTDIST_CODE. Cover is based on PVA?s property line cover and LOJIC?s STREETCL. (code = 99 and name = ?? is a polygon that is known as ?Remainder of city; the univeral polygon HISTDIST is coded 99 to facilitate routine update procedures with Sybase).