Illinois pilot erosion-rate data study /

"January 1993"

Illinois River Bluffs area assessment /

Critical Trends Assessment Program (CTAP)

Illinois River Bluffs area assessment /

"Critical Trends Assessment Program."--Cover.

Illinois' ice age legacy /

Includes bibliographical references (p. 66-69).

Land pollution : strategies for emergency action : submitted to Illinois Institute for Environmental Quality /

Includes index.

Landslide inventory of Illinois /

Bibliography: p. 26.

Low oil prices and the Illinois oil industry : effects, outlook, and policy recommendations /

Includes bibliographical references (p. 14).

Low-flow frequencies of Illinois streams,

Bibliography: p. 308.

Magnitude and frequency of floods in Illinois,

Bibliography: p. 594.

Middle Mississippian carbonates and siliciclastics in Western Illinois /

Mode of access: Internet.

Mineralogical and chemical composition of inorganic matter from marketed Illinois coals /

Includes bibliographical references (p. 26-28).

Oil and gas developments in Illinois, 1987 /

Mode of access: Internet.

Oil and gas drilling in Illinois; monthly report.

At head of title, -Dec. 1978: State of Illinois, Dept. of Registration and Education; Jan. 1979-: State of Illinois, Illinois Institute of Natural Resources.

Paleochannel across Louden Anticline, Fayette County, Illinois : its relation to stratigraphic entrapment of petroleum in the Cypress sandstone /

Includes bibliographical references.

Persistence and mobility of selected pesticides in loessial soils of Illinois : final report /

"Contract: EH 10."