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

Bibliography: p. 25-26.

Guidelines for solid waste management planning grants /

"September 1989."

Illinois annual air quality report.

Mode of access: Internet.

Illinois environmental emergency contact directory.

Cover title.

Illinois reasonable further progress report for 1985 : ozone and carbon monoxide.

"September, 1986."

Illinois reasonable further progress report for 1986 : ozone and carbon monoxide.

"September, 1987."

Illinois water quality report /

Mode of access: Internet.

Illinois water quality report.

Latest issue consulted: 2002.

Illinois water data catalog report /

"IEPA/WPC/85-007."-- Cover.

In the matter of a plan for protecting Illinois groundwater : report of the Board /

Caption title.

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

"February, 1981."

Lake Education Assistance Program (LEAP) /

"December 2000"--P. [4]

Lake Education Assistance Program application package /

"IEPA/BOW/98-012."

Limnology of Paradise Lake : June-October 1979 /

Cover title.

Limnology of Lake of Egypt : May-October 1979 /

Includes bibliographical references (p. 89-93).