Water quality network; summary of data.

Mode of access: Internet.

Terrestrial microcosms and environmental chemistry : the proceedings of two colloquia, held June 13-14, 1977 at Oregon State University, Corvallis, Oregon, as a part of the Symposium on Terrestrial Microcosms and Environmental Chemistry /

Mode of access: Internet.

A biological investigation of the Kishwaukee River and its tributaries (segment A-02 of the Rock River Basin April-July, 1976 /

Bibliography: p. 37.

A biological investigation of the South Fork, Sangamon River and tributaries /

Bibliography: leaf 19.

A log book of your lake.

"#31230"--Colophon.

A water quality investigation of the Crooked Creek Basin (Kaskaskia River Basin Segment A-02), July - August 1978 /

Bibliography: p. 61-62.

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 Big Muddy River Basin: summer 1995/

"March 1997."