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You searched for: Resource Class Imagery Remove constraint Resource Class: Imagery 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 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.

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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.