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1by Follansbee, Robert, 1879-1952, Horton, A. H. (Albert Howard), 1875-1945, Stevens, Guy C. (Guy Clarke), 1879-Subjects: “...Water quality Hudson Bay....”
Published 1912
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3by Love, S. K. (Samuel Kenneth), 1903-1995Subjects: “...Water quality Mississippi River....”
Published 1960
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5by Paulsen, Carl G.Subjects: “...Water quality Hudson Bay....”
Published 1950
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7by Grover, Nathan Clifford, 1868-1956, Horton, A. H. (Albert Howard), 1875-1945, Hoyt, W. G. (William Glenn), 1886-1971Subjects: “...Water quality Hudson Bay....”
Published 1917
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8by Grover, Nathan Clifford, 1868-1956Subjects: “...Water quality Hudson Bay....”
Published 1936
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9by Grover, Nathan Clifford, 1868-1956Subjects: “...Water quality Mississippi River Watershed....”
Published 1938
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10by Grover, Nathan Clifford, 1868-1956Subjects: “...Water quality Mississippi River Watershed....”
Published 1938
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11by Grover, Nathan Clifford, 1868-1956Subjects: “...Water quality Hudson Bay....”
Published 1940
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12by Paulsen, Carl G.Subjects: “...Water quality Hudson Bay....”
Published 1941
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13by Follansbee, Robert, 1879-1952, Horton, A. H. (Albert Howard), 1875-1945, Jackson, H. J. (Howard J.)Subjects: “...Water quality Hudson Bay....”
Published 1913
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19by Love, S. K. (Samuel Kenneth), 1903-1995Subjects: “...Water quality Middle West....”
Published 1959
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20by Love, S. K. (Samuel Kenneth), 1903-1995Subjects: “...Water quality Hudson Bay....”
Published 1966
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