Description based on: July 1, 1993-June 30, 1994.Mode of access: Internet."From 1981 until June 30, 1995, the Water Survey was a division of the Department of Energy and Natural Resources. Effective July 1, 1995, the Water Survey, the other Scientific Surveys, and several existing agenices were incorporated into the Illinois Department of Natural Resources."--p.
"From the Annual report of the chief to the director, Department of registration and education for f...
University of Illinois bulletin vol. XV, no. 11.Includes bibliographical references.Enumeration cont...
"A mail survey of anglers who sport fished in Illinois between ... and ..."Description based on 1992...
On July 1, 1995, the Illinois State Geological Survey became part of the Ill. Dept. of Natural Resou...
Mode of access: Internet.Prepared in cooperation with: Geological Survey (U.S.). Water Resources Di...
Do not confuse with the Annual report of the chief, Illinois Natural History Survey Division.Descrip...
The Illinois State Water Survey (ISWS), a division of the Illinois Department of Energy and Natura...
"October 1, 1906."Enumeration continues through succeeding title.Mode of access: Internet
Title from cover.Supplements earlier work issued under the title: Illinois surface water inventory (...
"July 1996.""Aquatic ecology final report 96/4.""Final report to the Illinois Department of Natural ...
"Geology of Illinois as related to its water supply, by Charles W. Rolfo": p. 41-56.Date on cover.Mo...
Latest issue consulted: 2002.Mode of access: Internet.Vols. for 1990/1991- issued by: State of Illin...
Issued, 1917- as Bulletin no. 15 of the Division of the State Water Surveys, Dept. of Reg...
Description based on: 1987-88; title from cover.Each vol. has also a distinctive title.Mode of acces...
Performing organization: Illinois Environmental Protection Agency, Bureau of Water, Division of Wate...
"From the Annual report of the chief to the director, Department of registration and education for f...
University of Illinois bulletin vol. XV, no. 11.Includes bibliographical references.Enumeration cont...
"A mail survey of anglers who sport fished in Illinois between ... and ..."Description based on 1992...
On July 1, 1995, the Illinois State Geological Survey became part of the Ill. Dept. of Natural Resou...
Mode of access: Internet.Prepared in cooperation with: Geological Survey (U.S.). Water Resources Di...
Do not confuse with the Annual report of the chief, Illinois Natural History Survey Division.Descrip...
The Illinois State Water Survey (ISWS), a division of the Illinois Department of Energy and Natura...
"October 1, 1906."Enumeration continues through succeeding title.Mode of access: Internet
Title from cover.Supplements earlier work issued under the title: Illinois surface water inventory (...
"July 1996.""Aquatic ecology final report 96/4.""Final report to the Illinois Department of Natural ...
"Geology of Illinois as related to its water supply, by Charles W. Rolfo": p. 41-56.Date on cover.Mo...
Latest issue consulted: 2002.Mode of access: Internet.Vols. for 1990/1991- issued by: State of Illin...
Issued, 1917- as Bulletin no. 15 of the Division of the State Water Surveys, Dept. of Reg...
Description based on: 1987-88; title from cover.Each vol. has also a distinctive title.Mode of acces...
Performing organization: Illinois Environmental Protection Agency, Bureau of Water, Division of Wate...
"From the Annual report of the chief to the director, Department of registration and education for f...
University of Illinois bulletin vol. XV, no. 11.Includes bibliographical references.Enumeration cont...
"A mail survey of anglers who sport fished in Illinois between ... and ..."Description based on 1992...