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1
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2
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3Published 1972Subjects: “...Aquatic ecology....”
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4by Pohland, Frederick G., 1931-Subjects: “...Aquatic ecology Data processing....”
Published 1974
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5by Krumholz, Louis A. (Louis Augustus), 1909-1981Subjects: “...Ecology Kentucky Salt River....”
Published 1971
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6
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7
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8
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9by Larimore, R. Weldon (Richard Weldon), 1923-Subjects: “...Floodplain ecology Illinois Kaskaskia River Valley....”
Published 1973
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10
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11Published 1972Subjects: “...Aquatic ecology....”
Book -
12
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13
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14
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15
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16Published 1971Subjects: “...Aquatic ecology....”
Book -
17
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18Published 1973Subjects: “...Forest ecology....”
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19
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20