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

"Adopted March 1990."

Illinois River Bluffs area assessment /

"Critical Trends Assessment Program."--Cover.

Illinois synthetic fuels facilities siting survey : Perry County /

Bibliography: p. 119-120.

Illinois State water plan 1981 progress report /

Mode of access: Internet.

Illinois small quantity generators' manual : how to comply effectively with federal and state regulations /

"Printed November 1988."

Illinois River Edge Redevelopment Zone Program : ... annual report [to the Illinois General Assembly].

... fulfills the statutory directive that the Illinois Department of Commerce and Economic Opportunity (DCEO report annually to the members of the Illinois General Assembly on the status of the Illinois River Edge Redevelopment Program.

Illinois solar weather program /

"March 1983."

Illinois state mental health plan : child & adolescent services annual report.

Description based on: 1991 (September 1991); title from cover.

Illinois State Cancer Registry : quality control procedures and findings /

"December, 1988."

Illinois sport fishing survey.

"A mail survey of anglers who sport fished in Illinois between ... and ..."