Lake water quality assessment program : northeastern Illinois lakes /

"The Northeastern Illinois Planning Commission's Natural Resources Dept. conducted the lake assessment data collection effort for the six county northeastern Illinois region." -- P. iii.

Lake water quality assessment program, 1993 : northeastern Illinois lakes /

"January 1995."

Report to the members of the eighty-fifth General Assembly on the wastepaper collection pilot program, Solid Waste Management Act of 1986.

Program development a cooperative effort by the Dept. of Central Management Services, the Dept. of Energy and Natural Resources, and the Governor's Office.