125 years of public service; the history and duties of the Division of Waterways.

Mode of access: Internet.

Annual report of the Department of Public Works and Buildings, Division of Waterways.

Report year ends June 30.

Aquatic weeds : their identification and methods of control /

Original text by A.C. Lopinot.

Cleaning Illinois : status of the state's hazardous waste cleanup programs.

"Spring 1988."

Cleaning Illinois : status of the state's hazardous waste cleanup programs.

"Spring 1986."

Habitat parameters of the Hine's Emerald Dragonfly : using temperatures loggers to assess hydrological regime in wetlands supporting the larval states, Lockport Prairie section 206 project, final report /

"Submitted to: the U.S. Fish and Wildlife Service" -- cover

Health care in rural Illinois : recommendations of the Rural Health Task Force.

"April, 1990."

Illinois calendar of events.

Issue for Oct. 1973/Mar. 1974 has title: Calendar of events.

Illinois Feeding of Garbage to Animals Act /

Cover title.

Illinois inventory of greenhouse gas emissions.

Description based on: 1998.

Illinois sport fishing survey.

"A mail survey of anglers who sport fished in Illinois between ... and ..."

Illinois surface water inventory, 1972,

Cover title: 1972 Illinois surface water inventory.

Monthly report - Division of Disease Control.

Mode of access: Internet.

Nationwide urban runoff project, Champaign, Illinois : summary of Illinois street sweeping cost data /

On cover: Water quality management.

Osteoporosis in Illinois : analysis of hospital discharge records from 1992 to 1995 /

"December 1997. "