Illinois airport directory.

Mode of access: Internet.

Illinois calendar of events.

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

Illinois aviation.

Published 1948-May/June 1973 by the Illinois Dept. of Aeronautics; July/Aug. 1973- by the Division of Aeronautics, Illinois Dept. of Transportation.

Illinois Feeding of Garbage to Animals Act /

Cover title.

Illinois inventory of greenhouse gas emissions.

Description based on: 1998.

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

Description based on: 1951.

Monthly report - Division of Disease Control.

Mode of access: Internet.

Nationwide urban runoff project, Champaign, Illinois : summary of Illinois street sweeping cost data /

On cover: Water quality management.

Osteoporosis in Illinois : analysis of hospital discharge records from 1992 to 1995 /

"December 1997. "

Service bulletin - Illinois Department of Transportation.

Official publication and invitation issued by the Dept. of Transportation, for bids on Federal-aid and State road and bridge work.

Airport-owning municipalities directory.

Description based on: June 8, 1988; title from caption.

Comparative planetology and the atmosphere of earth : a report to the Solar System Exploration Division, National Aeronautics and Space Administration /

"November 1989."

Bulletin - State of Illinois, Department of Registration and Education, Division of the State Geological Survey.

Mode of access: Internet.

Annual planning report - State of Illinois, Bureau of Employment Security, Research & Analysis Division.

Mode of access: Internet.

Evaluation of aerial patrol of interstate highways by the Illinois State police /

"April 1980."