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.

Illinois science news.

Mode of access: Internet.

Papers in Illinois history and transactions.

Vols. for 1937-42 issued without series note but constitute no. 44-49 of its publication.

Chemical and biological surveys of the waters of Illinois.

Issued, 1917- as Bulletin no. 15 of the Division of the State Water Surveys, Dept. of Registration and Education.

Report of the Rivers and lakes commission on the Illinois River and its bottom lands, with reference to the conservation of agriculture and fisheries and the control of floods,

Mode of access: Internet.

Quaternary geology of the Martinsville alternative site, Clark County, Illinois : a proposed low level radioactive waste disposal site /

Includes bibliographical references (p. 81-83).

Illinois journal of commerce.

Latest issue consulted: Vol. 27, no. 3 (Mar. 1945).