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 comparison of the U.S. of America Standards Institute [safety code for] derricks, and hoists and elevators given in building construction codes A-10.2, 1944 and safety requirements for workmen's hoists A-10.4-1963 with the Illinois Health & Safety Act.

"SID-CC VII & XI."

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

Bibliography: leaf 19.

A primer regarding certain provisions of the Illinois groundwater protection act /

"January, 1988."

A strategic plan for the Illinois Department of Conservation /

"October 1993."

A task analysis of the job duties & responsibilities of a certified public water supply operator.

Mode of access: Internet.

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

Bibliography: p. 61-62.

Advisory report on health effects of barium in water : ... prepared for the Illinois Institute for Environmental Quality /

Includes bibliographical references.

An intensive survey of Bear Creek in West-Central Illinois, August-September, 1992 /

"December, 1994."

An intensive survey of Shawnee National Forest region streams of southern Illinois, 1986-1987 /

"IEPA/WPC/90-171."--Cover.

An inventory of Illinois state agencies' lake publications /

"Printed by Division of Water Resources, Illinois Dept. of Transportation, and Illinois Environmental Protection Agency." -- Cover.

An intensive survey of the Sugar Creek Basin, Crawford County, Illinois, 1986 /

"IEPA/WPC/88-030."--Cover.

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

"July, 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.