Illinois state plan : Institutional conservation program (amended) /

Cover title.

Illinois statewide electric utility plan : optioning resources for the future, 1992-2012.

"ILENR/RE-SP-91/02-1-3."

Illinois water resources : an overview /

Cover title.

Industrial wastes in the Calumet area, 1869-1970 : an historical geography /

"ISM contract 175."

Investigation recycle! : activities, trivia.

"ILENR/RR-93/01."

Landscape waste facilities.

"ILENR/RR-92/08."

Managing the waste stream : background information for planning source separation programs : final report /

"Printed: July 1989."

Management strategies for landscape waste : collection, composting, marketing.

"ILENR/RR-89/09."

Local government energy assistance programs annual report.

Description based on: 1990.

Meanderings '93 /

"A collection of writings by high school students whose teachers and schools participated in the Illinois Rivers Project from September 1992-June 1993" -- P. 1.

Mechanisms for stream corridor protection : final report /

"Printed: August 1989."

Meanderings ...

A collection of writings by high school students whose teachers and school participated in the Rivers Project.

Meanderings.

A collection of writings by high school students whose teachers and school participated in the Rivers Project.

Motor freight planning for the Chicago region /

Project numbers 10.100 and 83/3003.

Mobile source emissions inventory development : final report /

"Project: 89/134."