University of Illinois Urbana-Champaign

The upper Des Plaines River basin: an inventory of the region's resources

Illinois Deptartment of Natural Resources Office of Realty and Environmental Planning




Owning Collections

Critical Trends Assessment Program PRIMARY
Detailed assessments of 32 major watersheds in Illinois, conducted through the Critical Trends Assessment Program administered by the Illinois Department of Natural Resources. Includes contributions from each of the State Scientific Surveys which are now part of the Prairie Research Institute.