Illinois climate : trends, impacts, and issues : proceedings of the 12th Annual ENR Conference, September 13-14, 1983, Urbana-Champaign, Illinois /

"March 1984."

Illinois calendar of events.

Issue for Oct. 1973/Mar. 1974 has title: Calendar of events.

Illinois Conference on Soil Conservation and Water Quality : conference proceedings of November 9-10, 1983 at Holiday Inn East, Springfield, Illinois /

Includes bibliographical references.

Illinois Department of Public Health long-term care facility profiles.

Title from caption.

Illinois Inventory of Educational Progress : executive summary.

Mode of access: Internet.

Illinois State directory of resources and services of the Illinois State plan for the treatment and prevention of alcohol abuse and alcoholism.

Mode of access: Internet.

Illinois travel statistics.

Vols. for <1983>- prepared in cooperation with the U.S. Dept. of Transportation, Federal Highway Administration.

Illinois waterborne commerce statistics, 1970-1995 /

"January 1997."

Integration of data sets pertaining to bald eagles and water fowl populations in Illinois /

"September 1986."

IRAPP : preliminary evaluation of the Illinois Residential Affordable Payment Program /

"Printed March 1988."

Inventory of biomass facilities in Illinois /

Includes index.

Landscaping techniques and materials for urban Illinois stream corridors and wetland edges : final report /

"Project: 91/087."

Lighting efficiency for better energy cost control : guidelines for lighting standards and low cost strategies for efficient use of lighting in Illinois state buildings /

"ILENR/BE-86-01."--Cover.

Laws pertaining to aeronautics, including those relating to the regulation of aeronautics and the development of public airports.

Description based on: 1951.

Local and regional planning notes.

Description based on: no. 18 (Nov. 1968)