The original data for the upper portion of the coverage was traced on mylar from the Land Use Allocation Plan maps using the digital maps for registration. The data was compared with the Realty Status maps to check for differences. The Status maps were used as legal authority. The boundaries were then transferred onto USGS 7.5 minute quadrangles. It defines polygon and arc-node topology when the POLY option is used.
Points represent features like named places.
They have no length and are defined as a single x,y coordinate pair. Lines represent linear features like railroads. Polygons represent features like counties or lakes and are defined as a string of x,y coordinate pairs with the same beginning and ending points. These attributes are stored in Feature Attribute Tables. The feature attribute table contain information about and values for a particular record.