An intensive survey of the Mackinaw River Basin, 1987 /

"September 1988."--Cover.

An intensive survey of the Henderson Creek Basin, 1994 /

"February, 1996."

An intensive survey of the Indian Creek Basin, 1992 /

"IEPA/WPC/95-2."--Cover.

An intensive survey of the Elkhorn Creek Basin, 1985.

"IEPA/WPC/88-017."--Cover.

An intensive survey of the Pecatonica River Basin, 1984-1985.

"February 1988."--Cover.

An intensive survey of the Big Muddy main stem from Rend Lake to the Mississippi River Summer 1988 /

"IEPA/WPC/91-56."--Cover.

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 the Little Vermilion River as affected by seasonal variation, 1992 /

"March 1993."

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 Marys River Basin, summer 1995 /

Performing organization: Illinois Environmental Protection Agency, Bureau of Water, Division of Water Pollution Control.

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

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

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

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