Based upon a report by the Illinois State Water Survey.Bibliography: p. 15.Mode of access: Internet
"Preprint of paper presented at the spring meeting of the Eastern District, Division of Production, ...
At head of cover title: Illinois Environmental Protection Agency, Bureau of Land."August 1997.""Jan-...
"Prepared for the U.S. Department of Agriculture Soil Conservation Service."Mode of access: Internet
Published also as Illinois. State Water Survey. Bulletin no. 16.Mode of access: Internet
"October, 1982."Report no.: IEPA/WPC/82-011.Bibliography: p. 23-25.Mode of access: Internet
Cover title.Includes bibliographical references (p. 484).Mode of access: Internet
At head of title: State of Illinois. Dept. of registration and education. Division of State geologic...
"Service activities concerning groundwater are performed jointly by the Illinois State Geological Su...
No. 1 accompanied by summary called I-S.Mode of access: Internet.Issued jointly by the Illinois Stat...
"IEPA/WPC/83-004.""December, 1983."Bibliography: p. 127-132.Mode of access: Internet
Mode of access: Internet.Prepared in cooperation with: Geological Survey (U.S.). Water Resources Di...
"Prepared in cooperation with the Illinois Department of Transportation. Division of Water Resource...
Cover title.Prepared by U.S. Soil Conservation Service in cooperation with Illinois Agricultural Exp...
On cover: Investigations of Illinois surface waters.Bibliography: p. 67-70.Mode of access: Internet
Prepared in cooperation with the Illinois Agricultural Experiment Station.On spine: Soil survey of D...
"Preprint of paper presented at the spring meeting of the Eastern District, Division of Production, ...
At head of cover title: Illinois Environmental Protection Agency, Bureau of Land."August 1997.""Jan-...
"Prepared for the U.S. Department of Agriculture Soil Conservation Service."Mode of access: Internet
Published also as Illinois. State Water Survey. Bulletin no. 16.Mode of access: Internet
"October, 1982."Report no.: IEPA/WPC/82-011.Bibliography: p. 23-25.Mode of access: Internet
Cover title.Includes bibliographical references (p. 484).Mode of access: Internet
At head of title: State of Illinois. Dept. of registration and education. Division of State geologic...
"Service activities concerning groundwater are performed jointly by the Illinois State Geological Su...
No. 1 accompanied by summary called I-S.Mode of access: Internet.Issued jointly by the Illinois Stat...
"IEPA/WPC/83-004.""December, 1983."Bibliography: p. 127-132.Mode of access: Internet
Mode of access: Internet.Prepared in cooperation with: Geological Survey (U.S.). Water Resources Di...
"Prepared in cooperation with the Illinois Department of Transportation. Division of Water Resource...
Cover title.Prepared by U.S. Soil Conservation Service in cooperation with Illinois Agricultural Exp...
On cover: Investigations of Illinois surface waters.Bibliography: p. 67-70.Mode of access: Internet
Prepared in cooperation with the Illinois Agricultural Experiment Station.On spine: Soil survey of D...
"Preprint of paper presented at the spring meeting of the Eastern District, Division of Production, ...
At head of cover title: Illinois Environmental Protection Agency, Bureau of Land."August 1997.""Jan-...
"Prepared for the U.S. Department of Agriculture Soil Conservation Service."Mode of access: Internet