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You searched for: Publisher Illinois State Geological Survey Remove constraint Publisher: Illinois State Geological Survey Resource Type Raster data Remove constraint Resource Type: Raster data Provider University of Illinois Urbana-Champaign Remove constraint Provider: University of Illinois Urbana-Champaign Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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1.

Digital Elevation Model (DEM) at 1:250,000 [Illinois] Datasets datasets University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign

1995. Abert, Curtis C. A digital elevation model (DEM) in ArcINfo grid format. Data were assembled to provide a statewide database of surface elevation points suitable fo... Illinois State Geological Survey.

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Digital Orthophoto Quadrangle (DOQ) Data [Illinois] (1998 - 2001) University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign

1998. U.S. Geological Survey. Illinois National Aerial Photography Program (NAPP) Digital Orthophotography quarter Quadrangle (DOQ) data have been created for 102 counties in th... Illinois State Geological Survey.

3.

Shaded Relief map [Illinois] University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign

1995. Abert, Curtis C. Landforms of Illinois with a shaded relief portrayal. Derived from USGS Digital Elevation Model(DEM) data. Illustrates various Illinois landforms i... Illinois State Geological Survey.