Effects of enforcement on speeds of motorists, 11th Street, Springfield, Illinois /

On cover: Illinois traffic safety programs, report of evaluation or assessment.

Economic impact study of proposed regulation R82-7 for site-specific water pollution rules applicable to the city of Alton, Illinois /

Bibliography: p. R-1 to R-3.

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

"Printed: June 1987."

Emissions of beryllium and mercury in Illinois /

"May 1982."

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

"September 1991."

Elements of forestry, with special reference to Illinois.

Mode of access: Internet.

Evaluation of underground injection of industrial waste in Illinois /

Published cooperatively by the Department of Energy and Natural Resources, Illinois State Geological Survey, Illinois State Water Survey, and Hazardous Waste Research and Information Center.

Evaluation of the Illinois highway safety construction program /

Mode of access: Internet.

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 twelve local alcohol program enforcement components in Illinois /

"April 1996."

Epidemiology of ovarian cancer in Illinois /

"February 1996."

Epidemiology of retinopathy of prematurity in Illinois /

"June 1992."

Epidemiology of infectious disease in Illinois.

Title from cover title.

Evaluation of nine FY 96 Traffic Law Enforcement Program (TLEP) projects in Illinois /

"February 1998."

Evaluation of eleven local alcohol program enforcement components in Illinois /

"June 1998."