Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Shaded Relief map: Illinois, 2006

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Authors:
and
Description:
This raster dataset shows the landforms of Illinois with a shaded relief portrayal. Cell size is 301 feet and nominal map scale is 1:250,000. The data include all of Illinois and extend approximately nine miles beyond the state boundary. This image was derived from USGS 3 arc-second Digital Elevation Model (DEM) data. Some elevation data at the edges of individual DEM tiles were smoothed to remove edge-matching faults. This image was generated from the DEM dataset GISDB.IL_DEM_301FT_RAS, edition 1.0 (the ArcInfo grid version.)
Publisher:
University of Illinois Urbana-Champaign
Collection:
Academic Institutions Geospatial Data
Place:
Illinois, United States
Subject:
Geoscientific Information
Year:
1995
Contributed by:
Illinois
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