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1by Klemm, Donald J.Subjects: “...Water quality bioassay....”
Published 1993
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2by Miller, Kimberly F.Subjects: “...Water quality Ohio River Watershed....”
Published 1997
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3by Miller, Kimberly F.Subjects: “...Water quality Ohio River Watershed....”
Published 1997
Government Document Microform Book -
4by Miller, Kimberly F.Subjects: “...Water quality Ohio River Watershed....”
Published 1997
Government Document Microform Book -
5by Miller, Kimberly F.Subjects: “...Water quality Ohio River Watershed....”
Published 1997
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6Published 1988Subjects: “...Water quality Wyoming....”
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7by Detroy, Mark G.Subjects: “...Water quality Iowa....”
Published 1985
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8by Fehring, Joseph P.Subjects: “...Water quality Georgia....”
Published 1991
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9by Ott, Douglas S.Subjects: “...Water quality Snake River Watershed (Wyo.-Wash.)...”
Published 1998
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10Published 2002Subjects: “...National Water-Quality Laboratory (U.S.)...”
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11Published 1997Subjects: “...Water quality Research Susquehanna River Watershed....”
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12Published 1985Subjects: “...Water quality Colorado Measurement....”
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13Published 1987Subjects: “...Water quality Colorado Measurement....”
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14by Jordan, Paul Robert, 1933-Subjects: “...Water quality management Kansas....”
Published 1991
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15Published 1989Subjects: “...Water quality management United States....”
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17Published 2000Subjects: “...Water quality Iowa....”
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18by Hickman, R. EdwardSubjects: “...Water quality Potomac River....”
Published 1983
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19Published 1987Subjects: “...Water quality Louisiana....”
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20by Swisshelm, R. V.Subjects: “...Water quality Ohio....”
Published 1987
Government Document Microform Book