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University of Illinois Urbana-Champaign
 

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Data

Reference

  • BLM Illinois Public Land Survey System
  • Illinois Coordinate System of 1983: 33 Zone
  • Overview map thumbnail image of ISPCS: 9 zone projection
    Illinois Coordinate System of 1983: 9 Zone
  • Illinois County Boundary Lines
    Illinois County Boundaries, Polygons and Lines
  • Illinois PLSS Townships
    Illinois PLSS Townships
  • Illinois Public Land Survey System (PLSS) Boundaries
    Illinois Public Land Survey System (PLSS) Boundaries
  • Illinois State Boundary
    Illinois State Boundary
  • Indian Treaty Boundary Lines
    Indian Treaty Boundary Lines
  • State Plane Zones
    State Plane Zones
  • Universal Transverse Mercator (UTM) Zones
    Universal Transverse Mercator (UTM) Zones
  • Digital Raster Graphic (DRG)
    USGS Digital Raster Graphic (DRG) Files
  • USGS Digital Raster Graphic (DRG) Mosaic
  • USGS Quadrangle Boundaries and Corner Points in Illinois
    USGS Quadrangle Boundaries and Corner Points in Illinois

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Illinois State Geological Survey
Prairie Research Institute
University of Illinois Urbana-Champaign

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