An intensive survey of the Embarras River Basin, 1987 /

"IEPA/WPC/89-212."--Cover.

An intensive survey of the Bay Creek Watershed, July 1992 /

"IEPA/WPC/95-020"--Cover.

An intensive survey of Otter Creek, Jersey County, Illinois, July, 1992 /

"July, 1993."

An intensive survey of the Little Vermilion River as affected by seasonal variation, 1992 /

"March 1993."

An Intensive survey of the DesPlaines River Basin from the Wisconsin state line to Joliet, Illinois, 1983-1984 : staff report /

"February 1988"--Cover.

An intensive survey of the Edwards River and Pope Creek, 1991 /

"October 1993."--Cover.

An intensive survey of Rock River tributaries, 1985.

"February 1988."--Cover.

An intensive survey of the Cache River Basin, summer 1992 /

"IEPA/WPC/95-013."--Cover.

An intensive survey of the Kaskaskia River Basin, 1982-83 /

"IEPA/WPC/89-105."--Cover.

An intensive survey of the Fox River Basin from the Wisconsin State line to Ottawa, Illinois, 1982 /

Survey made cooperatively by the Illinois Environmental Protection Agency and the Illinois Dept. of Conservation.

An intensive survey of the Little Wabash River Basin, Summer 1989 /

"IEPA/WPC/92-053."--Cover.

An intensive survey of the Kishwaukee River and its tributaries, 1983.

"IEPA/WPC/88-009."

An intensive survey of the Vermilion River basin, 1985-1986 /

"October 1989."--Cover.

An intensive survey of the Vermilion River basin, Illinois River drainage, summer 1990 /

"IEPA/WPC/93-192."--Cover.

An intensive survey of the American Bottoms Basin, 1984 / by Merrill R. Matson.

"June 1989."