Electric power supply and demand 1978-1987 for the contiguous United States : as projected by the Regional Electric Reliability Councils in their April 1, 1978 long-range coordinated planning reports to the Department of Energy.

"UC-13"

Report [with annual summary] for ... [of the] Illinois Section of the Climatological Service of the Weather Bureau.

At head of title: U.S. Department of Agriculture.

The floods of May 1943 in Illinois.

Mode of access: Internet.

A biological and water quality survey of Sugar Creek and tributaries, Crawford County, Illinois, August-September, 1992 /

"IEPA/WPC/93-063."--Cover.

A directory of Illinois nature preserves /

Mode of access: Internet.

A directory of Illinois nature preserves /

v.1. Northeastern Illinois -- v.2. Northwestern, Central and Southern Illinois.

A primer regarding certain provisions of the Illinois groundwater protection act /

"January, 1988."

A Preliminary assessment of the increased speed limit on rural interstate highways in Illinois /

At head of title on cover: Welcome to life in Illinois.

A study of Illinois farmers' attitudes and current farming practices /

"ILENR/RE-PA-90/01."

A water quality survey of the Grand Calumet River from the Indiana State line to Burnham, Illinois : the Grand Calumet River portion of segment A-12 Des Plaines/Lake Michigan Basins, April-August, 1978.

Edited by Robert Schacht.

A toxic air pollutant inventory for the State of Illinois : final report /

"Printed: March 1990."

Abstract : the demand for energy in the Illinois coal market /

"ILENR/RE-ER-89/10 (AB)."

An intensive survey of Bear Creek in West-Central Illinois, August-September, 1992 /

"December, 1994."

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

"Printed: June 1992."

An intensive survey of Shawnee National Forest region streams of southern Illinois, 1986-1987 /

"IEPA/WPC/90-171."--Cover.