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.

An intensive survey of the Vermilion River Basin (Wabash River drainage) 1997 : data collection methods and summary /

"The Illinois Environmental Protection Agency monitors surface waters (i.e. lakes and streams) through a variety of programs. The most extensive is the Ambient Water Quality Monitoring Network (AWQMN) which consists of 203 stream stations statewide sampled on a 6 week cycle since October 1977." -- p. 1.

An intensive survey of the Skokie River (Segment A-01 of the Des Plaines River Basin), April-December, 1978 /

Bibliography: p. 66-67.

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 American Bottoms Basin, 1984 / by Merrill R. Matson.

"June 1989."

An intensive survey of the Mackinaw River Basin, 1994 : staff report /

"December 1996"--Cover.

Biological investigation of Mississippi River central and north central basins, A-01, A-02, and B-01, B-02 /

Bibliography: p. 19-20.

Biological and water quality survey of three tributaries to the Sangamon River : South Fork basin, Mosquito Creek and Long Point Slough, September thru November, 1989 : Staff Report /

"May 1991."

Blue Creek watershed project : Pike County, Illinois, May, 1979-October, 1980 /

"October, 1981."

Clean lakes strategy for Illinois.

Prepared by Donna F. Sefton.

Clean Water Act section 303(d) list : Illinois submittal for 1998.

"The purpose of this report is to fulfill the requirements set forth in Section 303(d) of the Federal Clean Water Act (CWA) and the Water Quality Planning and Management regulation at 40 CFR Part 130."--P. 1.

Clean Lakes Program phase II project : report for Lake Le-Aqua-Na, Stephenson County, Illinois /

"October, 1990."