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You searched for: Creator Abert, Curtis C. Remove constraint Creator: Abert, Curtis C. Resource Type Raster data Remove constraint Resource Type: Raster data 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

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.

2.

Shaded Relief map [Illinois] 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.