Illinois agricultural statistics : county pig crop estimates, 1945-53 /

"May, 1954".

Illinois county data book.

Description based on: 3rd ed. (Nov. 1989).

Illinois county cancer statistics review.

Chiefly tables.

Illinois county fairs.

Description based on: 1987; title from cover.

Illinois county juvenile detention standards.

Cover title.

Illinois Department of Transportation county highway and county traffic maps held by the Illinois State Library.

"April 2005."

Illinois land report : Salem Township of Knox County : final [report], June 24, 1990.

"Illinois lands unsuitable for mining program."

Illinois public retirement systems : a report on the financial condition of the Chicago, Cook County and Illinois Municipal Retirement Fund Systems.

Examines the financial status of the various public employee retirement systems in the Chicago, Cook County Area and the Illinois Municipal Retirement Fund (IMRF).

Illinois Route 2 from south of Mudd Creek to north of Byron /

"March 10, 2011."

Illinois State Library's complete holdings of Illinois county land ownership maps and atlases.

"Jesse White, Secretary of State & State Librarian."

Incidence of female breast cancer in Du Page County, Illinois, 1986-1990 /

"July 1992."

Investigation at Markham illegal dumping site : Markham, Cook County, Illinois.

"July 2010."

Investigations of six intermittent streams : (Solomon Creek, Otter Creek, Blue Creek, Kaskaskia Ditch, Steward Creek, and Brushy Creek) : April-September 1980.

"February, 1981."

Jo Daviess County surface water resources /

"June, 1971."

Lake water quality assessment program : northeastern Illinois lakes /

"The Northeastern Illinois Planning Commission's Natural Resources Dept. conducted the lake assessment data collection effort for the six county northeastern Illinois region." -- P. iii.