The Illinois coal industry.

Latest issue consulted: June 2006.

The Legal and regulatory environment for Illinois aquaculture /

"February 1983."

The Illinois self-help consortium for water and wastewater projects : final report /

"Printed: March 1989."

The Illinois natural areas plan to preserve and protect our heritage.

Cover title.

The Illinois statewide electric utility plan /

Under the Illinois Public Utilities Act, the Department is required to assess, biennially, electricity demand and supply for three futures over the period 1989 - 2010.

The Influences of land uses and stream modifications on water quality in the streams of the Court Creek Watershed /

"Contract WR 22."

The Illinois statewide gas utility plan, 1990-2000 /

"Printed: February 1990."

Two-phase anaerobic digestion for enhanced stabilization and methanation of sewage sludge /

"ILENR/AE-92/02."

Waste reduction guide for Illinois schools.

Cover title.

Village of Holiday Hills flood damage reduction project : McHenry County, Illinois.

"This project is being done under the authority given by the Flood Control Act of 1945 (Ill. Rev. Stat. 1989, ch. 19, par. 126a et seq.)--leaf 1.

Volume-based garbage collection fees : the Illinois experience /

"Presented at the ASTSWMO 1992 National Solid Waste Forum July 20-22, 1992, Portland, OR."

Whiteside County surface water resources,

Mode of access: Internet.

Build ponds, small lakes in Illinois for water supply, soil conservation, fish, wild life habitat.

Cover title.

Annual report of the Joint Legislative Committee on Natural Resources.

Report year ends Mar.

Canada, its history, productions and natural resources.

Maps in pockets.