A report on the status of the Vehicle Emission Test Program, January 1, 1990- December 31, 1990.

"April 1991." -- Cover.

An Illinois pavement feedback system : feasibility and system requirements /

"Project IHR-517, Illinois Cooperative Highway Research Program."

Archaeology at the Whitley site : an early historic farmstead on the prairies of eastern Illinois /

Includes bibliographical references (p. [121]-124).

Aquaculture, a new industry for Illinois and Indiana /

"IL-IN-SG-84-1."

Crime in Illinois /

Mode of access: Internet.

County government in Illinois.

Cover-title.

Evaluation and report of the highway safety construction program /

Cover title varies slightly.

Final report of subsidence investigations at the Galatia Site, Saline County, Illinois /

"Cooperating agencies: Illinois State Geological Survey, Dept. of Natural Resources ; Bureau of Mines, United States Dept. of the Interior."

Final report of subsidence investigations at the Rend Lake Site, Jefferson County, Illinois /

"Cooperating agencies: Illinois State Geological Survey, Dept. of Natural Resources ; Bureau of Mines, United States Dept. of the Interior."

Guide to eating Illinois sport fish.

Contains sport fish health advisories for Illinois waters, and information on the Fish Contaminant Monitoring Program.

Illinois comprehensive cancer control, 2005-2010 : state plan.

"9/06"

Illinois pregnancy nutrition surveillance summary, 1984 /

"Issued July, 1986."

Index of income tax letter rulings.

Description based on : 1991.

Living with the lake : a guide to Illinois lakeshore management.

Mode of access: Internet.

Management and program audit of the Parents Too Soon Program.

"August 1990."