Illinois Conference on Soil Conservation and Water Quality : conference proceedings of November 9-10, 1983 at Holiday Inn East, Springfield, Illinois /

Includes bibliographical references.

Illinois energy data review /

Title from caption.

Illinois energy efficient homes for the 80's.

On cover: Illinois solar 80/81/82.

Illinois inventory of greenhouse gas emissions and sinks : 1990 /

"September 1993."

Illinois resources.

Mode of access: Internet.

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

"Printed November 1988."

Illinois state buildings energy expense study /

Latest issue consulted: FY01 and projected FY02-04.

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.

Impact of stone quarry operations on particulate levels and comments.

Project no.: 10.085.

Ink and cleaner waste reduction evaluation for flexographic printers /

"HWRIC TR-012."

Integration of data sets pertaining to bald eagles and water fowl populations in Illinois /

"September 1986."

Landowners guide to natural resources management incentives /

"November 1994."

Landscaping techniques and materials for urban Illinois stream corridors and wetland edges : final report /

"Project: 91/087."

Local solid waste and recycling officials directory /

Description based on: [1994]; title from cover.