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21by Nicholson, Robert S.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book -
22by Rice, Donald E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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23by Barringer, Julia L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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24by Carleton, Glen B.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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25Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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26by Buxton, Debra E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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27by Modica, Edward“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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28by Buxton, Debra E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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29by Pope, Daryll A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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30by Pucci, Amleto A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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31Published 2001“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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32by Watt, Martha K.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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33by Storck, Donald A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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34by Walker, Richard L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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35by Gordon, Alison D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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36by Lacombe, Pierre (Pierre J.)“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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37by Gordon, Alison D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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38by Pope, Daryll A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2004
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39by Lacombe, Pierre (Pierre J.)“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2006
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40by Spitz, Frederick J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2008
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