Du Page River area assessment.

Examines six subbasins of the Du Page River, covering approximately 372 square miles in northeastern Illinois, mostly in Du Page and Will Counties with small portions in Cook, Kane, Kendall, and Grundy Counties. One subbasin, the East Branch Du Page River, has been designated a state "Resource Rich Area".

Early accounts of the ecology of the Vermilion River Area /

This report is part of a series of reports on areas of Illinois where a public-private partnership has been formed to protect natural resources. The reports provide information on the natural and human resources of the areas as a basis for managing and improving their ecosystems. The determination of resource rich areas and development of ecosystem-based information and management programs in Illinois are the result of three processes-- the Critical Trends Assessment Program, the Conservation Congress, and the Water Resources and Land Use Priorities Task Force.

Hydrogeology and ground-water availability in southwest McLean and southeast Tazewell Counties.

"Printed by authority of the State of Illinois/1998/950"--T.p. verso.

Illinois problems index survey instruments.

Cover title: Establishing educational priorities through the Illinois problems index survey instruments.

Illinois small quantity generators' manual : how to comply effectively with federal and state regulations /

"Printed November 1988."

Kaskaskia River area assessment.

Vols. 1 and 3 published 2000; v. 2 and 4: 1999.

Lower Des Plaines River area assessment.

Examines an area of 357.5 miles in northeast Illinois--much of which is a part of the Greater Chicago Metropolitan Region. The area includes eight subbasins, of which two have been designated a state Resource Rich Area.

Lower Rock River area assessment.

"Examines an area in northwestern Illinois formed by the Rock and Green River systems ... designated a state Resource Rich Area"--P. iii.

Prairie Parklands area assessment.

Examines 1,477 square miles in northeastern Illinois that historically was open prairie with a park-like appearance of scattered trees. The area encompasses 25 subbasins along the Illinois, Des Plaines, and Kankakee rivers, of which 8 have been designated a state Resource Rich Area.

Publications of the state of Illinois.

Title from cover.

Sinkhole Plain area assessment.

"Examines a karst/cave area in southwestern Illinois bordering the Mississippi River ... designated a state Resource Rich Area."--P. iii.

Spoon River area assessment.

"Examines the Spoon River basin in west central Illinois"--P. iii.

State Water Plan Task Force special report on ground-water supply and demand in Illinois /

"ISWS/RI-116/91."

Sugar-Pecatonica area assessment.

"Examines an area in north central Illinois along the Wisconsin/Illinois border ... designated a state Resource Rich Area."--P. iii.

The Kankakee River yesterday and today /

Cover title.