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21Published 1984Subjects: “...Black duck Identification....”
Government Document Book -
22Subjects: “...Ring-necked duck....”
Book -
23
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24
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25
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26
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27by Dugger, Katie M. (Katie Marie), 1964-Subjects: “...Wood duck Life cycles North America....”
Published 1992
Government Document Book -
28by Blandin, Warren Wayne, 1936-1982Subjects: “...Black duck Mortality....”
Published 1992
Government Document Microform Book -
29
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30by Hutson, Susan S.Subjects: “...Water consumption Tennessee Duck River Watershed....”
Published 1996
Government Document Book -
31Published 2000Subjects: “...Duck stamps Law and legislation United States....”
Text version:
Adobe Acrobat Reader required
Government Document Book -
32Published 1987Subjects: “...Wood duck Nests....”
Government Document Book -
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34
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35
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36by Levy, Gerald F.Subjects: “...Botany North Carolina Duck....”
Published 1976
Government Document Book -
37
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38
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39
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40