Abundance of trace and minor elements in organic and mineral fractions of coal /

"August 1980."

Analysis of acid rain control alternatives /

"Printed: October 1987."

An Overview of Illinois ethanol production and gasohol sales.

"June 1981."

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

"Printed: April 1988."

Coal & Illinois industry : the impact of the National Energy Acts of 1978 : conference proceedings of May 9-10, 1979 at the Conrad Hilton, Chicago, /

Bibliography: p. 24.

Coal-derived fuels in Illinois feasibility study : State of Illinois PL 96-126 proposal resource/technology area, A. Coal liquids /

Vol.2 has confidential material and is not available for circulation.

Coal & Illinois industry : the impact of the National Energy Acts of 1978 /

Doc. No. 79/33.

Economic impact of combined sewer overflow : regulation (rule 602) in Illinois /

"Project no. 20.137."

Economic impact of proposed water quality and effluent standard amendments for water in the Sangamon River Basin /

"November 1986."

Economic impact of a suspension of Rule 203 as it applies to an unnamed tributary of the Vermilion River, Vermilion County, Illinois /

"Project no. 80.159."

Economic assessment of resources recovery and utilization from coal fine wastes /

"Project no. 80.183."

Economic impact of proposed regulation R77-12 (Rule 950) on wastewater sludge disposal in the State of Illinois /

Includes bibliographical references.

Economic impact study of proposed IPCB regulation sections 215.240 and 215.207 : final report /

"Printed: June 1987."

Evaluation of bullfrog, rana catesbeiana, management in Illinois : a report to the Illinois Department of Conservation through the Illinois Natural History Survey /

Prepared by Philip C. Mankin, Jeffery L. Van Orman, Bruce D. Taubert, David P. Philipp.

Evaluation of existing data on discharges from active coal mines in Illinois /

"Project no. 60.040."