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2by Voelker, David C.Subjects: “...Water quality Illinois....”
Published 1989
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3by Terrio, Paul J.Subjects: “...River sediments Illinois Illinois River....”
Published 2015
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4by Voelker, David C.Subjects: “...Groundwater Illinois....”
Published 1986
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5by Graf, Julia B.Subjects: “...Stream measurements Illinois....”
Published 1986
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6by Voelker, David C.Subjects: “...Groundwater Illinois Statistics....”
Published 1988
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7by Melching, Charles S.Subjects: “...Water quality Illinois Measurement....”
Published 1995
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8by Warner, Kelly L.Subjects: “...Arsenic Environmental aspects Illinois....”
Published 2003
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9by Mills, Patrick C.Subjects: “...Herbicides Environmental aspects Illinois....”
Published 2004
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10by Kay, Robert T.Subjects: “...Hydrogeology Illinois Belvidere....”
Published 2000
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11by LaTour, John K.Subjects: “...Water consumption Illinois Rockford Region....”
Published 1991
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12Published 2002Subjects: “...Groundwater Pollution Illinois Belvidere Region....”
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13by Johnson, Gary P., 1969-Subjects: “...Lakes Illinois Macoupin County....”
Published 1999
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14by Johnson, Gary P., 1969-Subjects: “...Lakes Illinois Macoupin County....”
Published 1999
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15by Freeman, W. O.Subjects: “...Runoff Illinois Cedar Creek....”
Published 1989
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16by Hodson, Timothy O.Subjects: “...Nutrient pollution of water Illinois Observations....”
Published 2021
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17by Freeman, W. O.Subjects: “...Stream measurements Illinois Richland Creek....”
Published 1986
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18by Schmidt, A. R.Subjects: “...Stream measurements Illinois Sangamon River....”
Published 1987
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19Subjects: “...Groundwater Quality Illinois Mason County....”
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20by McFarlane, R. D.Subjects: “...Water quality management Illinois Cedar Creek....”
Published 1987
Government Document Microform Book