State pension assets investment performance.

"October 1986."

State Records Act and State Records Commission rules.

Mode of access: Internet.

Structure and tectonics of the Rough Creek Graben : Western Kentucky and Southeastern Illinois /

"Prepared for the annual meeting of the Geological Society of America, Cincinnati, Ohio October 26-29, 1992."

Subsidence investigations over a high-extraction retreat mine in Williamson County, Illinois : final report /

"Illinois Mine Subsidence Research Program"

Student achievement in Illinois : an analysis of student progress.

"November 1982."

Student achievement in Illinois : an analysis of student progress.

"February 1984."

Statistics of library service in Illinois.

Includes directory information.

Status and functions of isolated wetlands in Illinois /

"IP733038"--Page 2 of cover.

Student achievement in Illinois : an analysis of student progress in language arts, 1985.

"June, 1986."

Student activities in Illinois high schools

Cover title.

SUAA news.

Description based on: Fall 1987; title from caption.

Stratigraphic correlations of the Seelyville, Dekoven, and Davis coals of Illinois, Indiana, and western Kentucky /

Errata slip inserted.

Strategy for the protection of underground water in Illinois /

"October 9, 1984."

Student financial aid in Illinois : report of the Illinois Financial Aid Study Committee.

"February 22, 1988."

Taxonomy of specimens of the Pennsylvanian age Marattialean fern Psaronius from Ohio and Illinois/

Bibliography: p. 61-64.