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1by Lang, David J.Subjects: “...Water quality Susquehanna River....”
Published 1982
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2by Goddard, Kimball E.Subjects: “...Water quality Colorado Pueblo County....”
Published 1980
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3by Wentz, Dennis A.Subjects: “...Water quality Colorado Yampa River....”
Published 1980
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4Published 1995Subjects: “...Water quality Iowa....”
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5by Franks, Bernard J.Subjects: “...Water quality Florida....”
Published 1981
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8Published 1976Subjects: “...Water quality Wyoming....”
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9by Meador, Michael Rogers, 1958-Subjects: “...National Water-Quality Assessment Program (U.S.)...”
Published 1994
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10by Bevans, Hugh E.Subjects: “...Water quality Nevada Las Vegas Valley....”
Published 1998
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11Bacteriological water quality of Tulpehocken Creek basin, Berks and Lebanon Counties, Pennsylvania /by Barker, James L., 1936-Subjects: “...Water quality Pennsylvania Berks County....”
Published 1978
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12Published 1980Subjects: “...Water quality Montana....”
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13by Feder, Gerald L.Subjects: “...Water quality United States....”
Published 1981
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16by Bobo, Linda L.Subjects: “...Water quality Indiana Warrick County....”
Published 1980
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17by Sorenson, Stephen K.Subjects: “...Water quality California Merced River....”
Published 1981
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19Published 1982Subjects: “...Water quality Wyoming....”
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Government Document Serial