Directory of Illinois State officers /

Description based on: Jan. 1947; title from cover.

Economic impact study of proposed site specific changes to water pollution regulations affecting the city of Tuscola, Douglas County, Illinois : final report /

Contract: EA 44.

Examination of patterns of career training levels for program and population duplication in Illinois /

"December 1972."

Evaluation of the 2006 Thanksgiving Click It or Ticket Campaign in Illinois, November 6 - December 10, 2006 /

Evaluates the impact of the "Click It or Ticket" campaign (April 2007) by using statewide public opinion and observational surveys of licensed Illinois drivers.

Export markets for Illinois coal /

"October 1996."