"Prepared for the U.S. Department of Agriculture Soil Conservation Service."Mode of access: Internet
Prepared by the U.S. Soil Conservation Service in cooperation with Michigan Agricultural Experiment ...
"Prepared in cooperation with the Illinois Department of Transportation. Division of Water Resource...
"Printed by authority of the State of Illinois/1998/950"--T.p. verso.Includes bibliographical refere...
"Prepared for the U. S. Department of Agricluture, Soil Conservation Service."Chiefly tables.Bibliog...
Cover title.Prepared by U.S. Soil Conservation Service in cooperation with Illinois Agricultural Exp...
Prepared in cooperation with the Illinois Agricultural Experiment Station.On spine: Soil survey of D...
Based upon a report by the Illinois State Water Survey.Bibliography: p. 15.Mode of access: Internet
"A product of the Critical Trends Assessment Program (CTAP) and the Ecosystems Program of the Illino...
Mode of access: Internet.Prepared in cooperation with: Geological Survey (U.S.). Water Resources Di...
"Prepared for the Illinois Institute for Environmental Quality."Mode of access: Internet
"IEPA/WPC/82-001"."May 15, 1982".Bibliography: p. 86-89.Mode of access: Internet
Shipping list no.: 96-0258-P.Cover title.Includes bibliographical references (p. 111) and index to m...
"IEPA/WPC/83-004.""December, 1983."Bibliography: p. 127-132.Mode of access: Internet
"A contribution of the Central States Forest Experiment Station, Forest Service, U.S. Department of ...
At head of title: State of Illinois. Dept. of registration and education. Division of State geologic...
Prepared by the U.S. Soil Conservation Service in cooperation with Michigan Agricultural Experiment ...
"Prepared in cooperation with the Illinois Department of Transportation. Division of Water Resource...
"Printed by authority of the State of Illinois/1998/950"--T.p. verso.Includes bibliographical refere...
"Prepared for the U. S. Department of Agricluture, Soil Conservation Service."Chiefly tables.Bibliog...
Cover title.Prepared by U.S. Soil Conservation Service in cooperation with Illinois Agricultural Exp...
Prepared in cooperation with the Illinois Agricultural Experiment Station.On spine: Soil survey of D...
Based upon a report by the Illinois State Water Survey.Bibliography: p. 15.Mode of access: Internet
"A product of the Critical Trends Assessment Program (CTAP) and the Ecosystems Program of the Illino...
Mode of access: Internet.Prepared in cooperation with: Geological Survey (U.S.). Water Resources Di...
"Prepared for the Illinois Institute for Environmental Quality."Mode of access: Internet
"IEPA/WPC/82-001"."May 15, 1982".Bibliography: p. 86-89.Mode of access: Internet
Shipping list no.: 96-0258-P.Cover title.Includes bibliographical references (p. 111) and index to m...
"IEPA/WPC/83-004.""December, 1983."Bibliography: p. 127-132.Mode of access: Internet
"A contribution of the Central States Forest Experiment Station, Forest Service, U.S. Department of ...
At head of title: State of Illinois. Dept. of registration and education. Division of State geologic...
Prepared by the U.S. Soil Conservation Service in cooperation with Michigan Agricultural Experiment ...
"Prepared in cooperation with the Illinois Department of Transportation. Division of Water Resource...
"Printed by authority of the State of Illinois/1998/950"--T.p. verso.Includes bibliographical refere...