Illinois rail system plan. Annual update.

Mode of access: Internet.

Illinois supplement to the national manual on uniform traffic control devices.

"Adopted March 1990."

Illinois strategy to control drug and violent crime FFY 96.

Cover title.

Illinois State water plan 1981 progress report /

Mode of access: Internet.

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

"March 10, 2011."

Illinois state planning capacity /

Prepared for the Illinois Institute of Natural Resources, project no. 80.191.

Illinois strategy to control drug and violent crime /

Title from cover.

Illinois supplement to the national manual on uniform traffic control devices /

"March 10, 2011."--cover letter.

Illinois travel statistics.

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

Illinois waterborne shipping database /

"...also available...in soft copy for operating on either an IBM-compatible computer or Wang word processor." -- P. i.

Illinois voluntary limestone program producer information /

Description based on: June 1983; title from cover.

Illinois weekend adventure guide.

"Compiled by the Illinois Department of Commerce and Community Affairs, Bureau of Tourism, based on the materials submitted by Illinois' Convention and Visitors Bureaus, Regional Tourism Development Offices, the Illinois Historic Preservation Agency and the Department of Natural Resources."--P. 136.

Illinois tollway annual report.

Mode of access: Internet.

Illinois waterborne commerce statistics, 1970-1995 /

"January 1997."

Infants, toddlers and preschool transportation.

"May 1999"--Colophon.