University of Illinois Urbana-Champaign

Upper Rock River area assessment

Illinois Department of Natural Resources, Office of Scientific Research; Illinois Department of Natural Resources, Illinois State Water Survey




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.