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

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

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.

An inventory of Illinois state agencies' lake publications /

"Printed by Division of Water Resources, Illinois Dept. of Transportation, and Illinois Environmental Protection Agency." -- Cover.

An intensive water quality survey of the Rock River from Rockford to Byron, Illinois, May-October, 1978 /

Bibliography: p. 35.

Boone County surface water resources /

Bibliography: p. 73-76.

Bond County surface water resources /

Bibliography: p. 33.

Biological and water quality survey of the Carroll Creek Watershed, Carroll County, Illinois, 1987-1988.

"IEPA/WPC/89-163."--Cover.

Biological and water quality survey of the Vermilion River Vermilion County, Illinois, 1994 /

"May 1995."

Champaign County surface water resources.

Bibliography: p. 49-50.

Carroll County surface water resources /

Bibliography: p. 40-41.

Christian County surface water resources /

Bibliography: p. 40-42.

Clay County surface water resources /

Bibliography: p. 34-35.

DeWitt County surface water resources /

"April, 1969."

Edwards County surface water resources /

"March, 1969."

Effingham County surface water resources /

"February, 1969."