Public Land Survey System (PLSS) is part of a standard reference system established in 1785 by the United States government. PLSS data features:

  • Section lines form a rectangular grid consisting of township, range and section lines as closed polygons
  • Township, range and section numbers are stored as attributes in each section
  • 1:100,000 scale DLG files from the US Geological Survey (USGS) maps
  • Data available includes 29 states and part of Ohio

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