Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Digital Elevation Model (DEM) at 1:250,000: Illinois, 2006

Author:
Description:
This raster dataset consists of edge-matched USGS 1:250,000 DEM tiles for Illinois. Cell size is 301 feet and cell values are elevations in meters above mean sea level rounded to the nearest integer. The data include all of Illinois and extend approximately nine miles beyond the state boundary. Some elevation data at the edges of individual DEM tiles were smoothed to remove edge-matching faults.
Collection:
Illinois Geospatial Data Clearinghouse
Place:
Illinois, United States
Subjects:
Geoscientific Information and Elevation
Year:
1994
Contributed by:
Illinois
More details at
Attribute Value
Click on map to inspect values