A review of the sediment delivery ratio techniques component of the Highland Silver Lake watershed project /

Prepared in cooperation with the Soil Conservation Service, USDA.

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 investigation of a volatile organic chemical plume in northern Winnebago County, Illinois /

"August 1984."

An Economic impact analysis of proposed amendments to public water supply regulations pending before the Illinois Pollution Control Board, R85-14 : final report /

"August 1987."

An analysis of on-road remote sensing as a tool for automobile emissions control : final report /

"Contract: AQ 30."

Beauveria bassiana as a biological control agent of the corn rootworm : final report /

"Project: 88/142."

Biological and water quality survey of the Carroll Creek Watershed, Carroll County, Illinois, 1987-1988.

"IEPA/WPC/89-163."--Cover.

Birth defects and other adverse pregnancy outcomes in Illinois, 2001-2005 : a report on county-specific incidence /

" ... supported by grant/cooperative agreement number U50/CCU523303 from the U.S. Centers for Disease Control and Prevention."--Page ii.

Birth defects and other adverse pregnancy outcomes in Illinois, 1998-2002 : a report on county-specific incidence.

" ... supported by grant/cooperative agreement number U50/CCU523303 from the U.S. Centers for Disease Control and Prevention."--Page ii.

Biological and water quality survey of the Vermilion River Vermilion County, Illinois, 1994 /

"May 1995."

Blue Creek watershed project : executive summary and recommendations /

IEPA/WPC/84-008.

Economic impact study of proposed site specific changes to water pollution regulations affecting the city of Tuscola, Douglas County, Illinois : final report /

Contract: EA 44.

Effects of using hybrid carp to control aquatic vegetation /

"Aquatic Biology technical series 1983(1)"--Cover.

Federal aid primary route 340 interstate route 55 to interstate route 80 Cook, DuPage, and Will Counties : final environmental impact statement and section 4(f) evaluation : submitted pursuant to 42 U.S.C. 4332(2)(c) and 49 U.S.C. 303 /

"FHWA-IL-EIS-93-03-D/4(F)"