Guide to the Illinois Underground Storage Tank Fund.

Cover title.

Groundwater withdrawals from aquifers in Illinois with emphasis on PWS wells /

Bibliography: p. 25-26.

Illinois annual air quality report.

Mode of access: Internet.

Illinois environmental education resource guide : west central region /

"Fall 2000."

Illinois integrated water quality report and section 303(d) list ... : water resource assessment information and listing of impaired waters.

Mode of access: Internet.

Illinois water quality report /

Mode of access: Internet.

Illinois water quality report.

Latest issue consulted: 2002.

Illinois' Nonpoint Source Management Program.

"IEPA/BOW/01-009."--Cover.

In the matter of Central Illinois Public Service (CIPS) Manufactured Gas Plant (MGP) Site, Taylorville, Illinois : remedial investigation/feasibility study : proposed plan : responsiveness summary.

"October 1992."--Cover.

Investigations of six intermittent streams : (Solomon Creek, Otter Creek, Blue Creek, Kaskaskia Ditch, Steward Creek, and Brushy Creek) : April-September 1980.

"February, 1981."

Limnology of Paradise Lake : June-October 1979 /

Cover title.

Limnology of Lake of Egypt : May-October 1979 /

Includes bibliographical references (p. 89-93).

Limnology of Devil's Kitchen Lake : May-October 1979 /

Bibliography: p. 89-93.

Limnology of Lake Mattoon : June-October, 1979 /

On cover: Investigations of Illinois surface waters.

Limnology of Raccoon Lake : June-October, 1979 /

Cover title.