The past speaks to you; the story of geology in Illinois.

Bibliography: p. 2.

The museum for Illinois.

"Publication of this brochure has been made possible by the Illinois State Museum Society."--Cover, p. 3.

The story of Illinois /

Mode of access: Internet.

The traditional potter in nineteenth-century Illinois : archaeological investigations at two kiln sites in upper Alton /

"In cooperation with the Illinois Department of Transportation."

The Windrose Site (11Ka326) : an early nineteenth-century Potawatomi settlement in the Kankakee River Valley of Northeastern Illinois /

"4/01"--Colophon.

Toxic volatile organic chemicals in urban air in Illinois /

"HWRIC RR-057."

Two studies of Illinois public libraries : an adult user survey, and fines, fees and charges levied /

"May, 1983."

Variation in Mississippian settlement patterns : the Larson settlement system in the central Illinois River Valley /

Includes bibliographical references (p. 65-81).

Vermilion River (Illinois River Basin) area assessment.

The Critical Trends Assessment Program (CTAP) documents changes in ecological conditions.

Water conservation, teacher's manual; Illinois resource management,

Cover title: Teaching water conservation.

Water resources [of] southern Illinois.

Mode of access: Internet.

Welcome to state park recreational areas & historical memorials.

Issues for 1951-58 called 2d-6th editions.

Wastes from water treatment plants : literature review, results of an Illinois survey, and effects of alum sludge application to cropland /

"SWS Contract report 429." -- Cover.

Water resources availability, quality, and cost in northeastern Illinois /

Bibliography: p. 88-90.

Sediment and soil loss in Illinois : summary /

Based upon a report by the Illinois State Water Survey.