Illinois mineral industry 1993-1996 and a report on water resources of Illinois /

Includes bibliographical references (p. 40-41)

Illinois State water plan 1981 progress report /

Mode of access: Internet.

Illinois state water plan : status of implementation /

"January 1990."

Illinois state water plan : critical issues, cross-cutting topics, operating issues /

"January 1984."

Illinois surface water inventory, 1972,

Cover title: 1972 Illinois surface water inventory.

Illinois water and climate summary /

Description based on: July 1993; title from caption.

Illinois water monitoring strategy, 2007-2012.

"IEPA/BOW/07-005."--Cover.

Illinois water resources : an overview /

Cover title.

Illinois' Nonpoint Source Management Program.

"IEPA/BOW/01-009."--Cover.

Inventory of Illinois surface water resources /

Title from cover.

Jo Daviess County surface water resources /

"June, 1971."

Inventory of public groundwater supply : system deficiencies of urban areas /

Bibliography: p. 4.

Kane County surface water resources /

"April 1968."

Kankakee County surface water resources /

"March, 1968."

Lake Michigan water allocation study /

"Project number 1300.013."