This feature class represents the boundary of the map extent and is topologically related to the MapExtent_poly polygon.
|Field Name||Field Alias||Length
|Field Type||Field Value||Default||Allow Nulls?||Attributes / Examples||Description / Notes|
|AdjacntMap||AdjacentMap||128||String||[null]||TRUE||Ladron Peak||Name of the adjacent map outside the extent of this map. These lines should be created from the quadrangle grid polygons and are topologically related.|