Topographic Boundaries (TOP)

Coordinate system: 4326 - "WGS 84"


Topographic data includes general land-use classifications, building footprints, transportation and utility features, hydrographical features, and physiographical features. Currently there are over 700 topographic coverage areas across the country. Topographic boundaries illustrate urban areas where topographic detail is available from National Topographic Database (NTDB).

Note: In 2012, there was a datum change from NAD83 to WGS84.

Additional Documentation