Early accounts of the ecology of the Vermilion River Area /

This report is part of a series of reports on areas of Illinois where a public-private partnership has been formed to protect natural resources. The reports provide information on the natural and human resources of the areas as a basis for managing and improving their ecosystems. The determination of resource rich areas and development of ecosystem-based information and management programs in Illinois are the result of three processes-- the Critical Trends Assessment Program, the Conservation Congress, and the Water Resources and Land Use Priorities Task Force.

Economic impact study of proposed airport noise regulations, R77-4 . Volume III, technical study of public airports in Chicago /

Project no. 30.017.

Economic impact study of proposed site specific changes to water pollution regulations affecting the city of Tuscola, Douglas County, Illinois : final report /

Contract: EA 44.

Economic impact of proposed airport noise regulations, R77-4. Volume II : economic analysis of public airports outside Chicago /

Project no. : 30.017.

Effects of enforcement on speeds of motorists, 11th Street, Springfield, Illinois /

On cover: Illinois traffic safety programs, report of evaluation or assessment.

Economic impact study of proposed airport noise regulations, R 77-4. Volume I : technical study of public airports outside Chicago /

"Project no. 30.017."

Economic impact study of proposed regulation R82-7 for site-specific water pollution rules applicable to the city of Alton, Illinois /

Bibliography: p. R-1 to R-3.

Emissions of beryllium and mercury in Illinois /

"May 1982."

Endangered, vulnerable rare and extirpated vascular plants in Illinois : interim list of species, October, 1976 /

Caption title.

Evaluation of underground injection of industrial waste in Illinois /

Published cooperatively by the Department of Energy and Natural Resources, Illinois State Geological Survey, Illinois State Water Survey, and Hazardous Waste Research and Information Center.

Evaluation of the Illinois highway safety construction program /

Mode of access: Internet.

Evaluation of twelve local alcohol program enforcement components in Illinois /

"April 1996."

Evaluation of nine FY 96 Traffic Law Enforcement Program (TLEP) projects in Illinois /

"February 1998."

Evaluation of eleven local alcohol program enforcement components in Illinois /

"June 1998."

Evaluation of eight Traffic Law Enforcement Program (TLEP) projects in Illinois /

"June 1999."