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.

American Bottoms regional ground-water flow model /

"Prepared in partial fulfilment of section 5 of the Flood Control Act of 1945, 615 ILCS 15/5."

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.

Annual progress report.

Description based on: 1984; title from cover.

Annual progress report.

Title from cover.

Ashland Flood Control Project : Village of Ashland, IL, Cass County /

"May 2009."