Economic impact study of proposed cross connection regulations, R87-37 : final report /

"Project: 89/283."

Educational materials and programs : IDNR Division of Education.

"11/08"--Colophon.

Emission reduction banking experience in the United States and its applicability to Illinois /

Project no. 83/7011.

Energy analysis of window insulation panels /

Caption title.

Energy conservation and utilization : a handbook for wastewater treatment plants in Illinois /

"September 1991."

Employee ownership : ESOPs /

"February 1989."

Emergency rescue vehicles : interim evaluation report as of summer 1980 /

"March 1981."

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.

Enterprise zones, 1986.

Caption title: The enterprise zone story, three years of progress.