An evaluation of streambank stabilization work on Richland Creek : final report /

"Printed: June 1992."

Analysis of acid rain control alternatives /

"Printed: October 1987."

Analysis of rules and regulations for steel coil truck transport /

Cover title.

An Act creating the Illinois Department of Children and Family Services : amended through November, 1975.

Cover title.

Alternative energy in the Midwest : research and applications : conference proceedings, February 21-23, 1985, Schaumburg, Illinois /

Includes bibliographical references and index.

An Act creating the Department of Children and Family Services : amended to November 1, 1969.

Cover title.

An investigation of a volatile organic chemical plume in northern Winnebago County, Illinois /

"August 1984."

An Inventory of Court Creek Watershed characteristics that may relate to water quality in the watershed /

"August 1983."

An analysis of the low emission vehicle program in Illinois /

Cover title.

An Economic impact analysis of proposed amendments to public water supply regulations pending before the Illinois Pollution Control Board, R85-14 : final report /

"August 1987."

An Economic impact study of petition for regulatory relief from phosphorus effluent limits, city of Pana : R84-44 : final report /

"Printed: April 1988."

An analysis of on-road remote sensing as a tool for automobile emissions control : final report /

"Contract: AQ 30."

Annual report to the Governor and General Assembly.

Caption title.

Annual report.

On July 1, 1995, the Illinois State Geological Survey became part of the Ill. Dept. of Natural Resources. The Survey previously had been part of the Illinois Dept. of Energy and Natural Resources. However, the new Dept. of Natural Resources absorbed most of the Dept. of Energy and Natural Resources, the Dept. of Conservation, and parts of the Water Division of the Dept. of Transportation.

Boiler efficiency improvement manual : energy-saving techniques for boiler operators and owners /

"Originally prepared in 1980 by the Industrial/Commercial Program Staff."