The Illinois Natural Resources Geospatial Data Clearinghouse (Illinois Clearinghouse) is an established node of the National Spatial Data Infrastructure Clearinghouse Network. Hosted by the Illinois State Geological Survey since July 1, 1997, the Illinois Clearinghouse has become the de facto starting point for the GIS and remote sensing user communities in Illinois.
The clearinghouse was developed as a cooperative effort by:
Illinois Department of Natural Resources
Illinois Natural History Survey
Illinois State Geological Survey
Illinois State Museum
Illinois State Water Survey
Office of Mines and Minerals
Office of Realty and Environmental Planning
Waste Management and Research Center
Note: This is not an official website of the Illinois Natural Resources Geospatial Data Clearinghouse.