Water resource data and preliminary trend analysis for the Highland Silver Lake monitoring and evaluation project : Madison County, Illinois, phase I /

"November, 1982."

Water quality in Illinois, 1990-1991.

"IEPA/WPC/92-224."

Water watch : the Illinois EPA water resources newsletter.

Caption title.

Western Lion and Service Disposal #1 Landfill Sites : Loxa Road and Route 316, Charleston, Illinois.

"32322"--Colophon.

Water quality in Illinois.

"IEPA/WPC/90-168."

Water resource data and trend analysis for the Blue Creek watershed project : Pike County, Illinois, phase III /

"IEPA/WPC/83-003X."

Water quality assessment of Governor Bond (Greenville New) Lake Bond County, Illinois : 1977-1982.

"IEPA/WPC/84-011." -- Cover.

We depend on Illinois' environment.

Fifth grade.

Environment: Illinois.

Mode of access: Internet.

Sediment and soil loss in Illinois : summary /

Based upon a report by the Illinois State Water Survey.

Evaluation of a hydrograph-shifting method for estimating suspended-sediment loads in Illinois streams /

Bibliography: p. 6.

An instructional delivery system for manpower management /

Mode of access: Internet.

Water quality network; summary of data.

Mode of access: Internet.

Trace metals in water supplies : occurrence, significance, and control : proceedings /

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.