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61by Lee, Roger W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book -
62by Asquith, William H.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
Government Document Book -
63by Lanning-Rush, Jennifer“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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64by Abeyta, Cynthia G.“...[U.S. Dept. of the Interior, U.S. Geological Survey],...”
Published 1999
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65by Reutter, David C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
Government Document Book -
66by Huff, Glenn F.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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67by Lambert, Rebecca B.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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68by Clark, Allan K.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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69by Moring, J. Bruce (James Bruce), 1959-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
Government Document Book -
70by Liscum, Fred“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
Government Document Book -
71by Ockerman, Darwin J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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72Published 2001“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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73by Liscum, Fred“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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74by Slade, R. M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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75by Dunn, David D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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76by Brown, Julie R.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
Government Document Microform Book -
77by Ourso, Robert T.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
Government Document Microform Book -
78by McKee, Paul W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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79by Kasmarek, Mark C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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80by Small, Ted A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
Government Document Book