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21Published 2000Conference Proceeding Book
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22Published 1999Government Document Microform Book
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24Published 2002Government Document Microform Book
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26Published 2002Government Document Book
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27Published 2002Conference Proceeding Book
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28A user guide to assessing proper functioning condition and the supporting science for lentic areas /by Prichard, Don (Donald E.)
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32Published 2002Government Document Microform Book
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