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61by Macek-Rowland, Kathleen“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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62by Vaccaro, J. J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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63by Renn, Danny E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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64by Myers, Donna N.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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65by Robertson, Dale M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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66by Langevin, Christian D. (Christian David)“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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67by Tanner, Dwight Q.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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68by Willoughby, Timothy C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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69by Tanner, Dwight Q.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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70by Morlock, Scott E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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71by Vecchia, Aldo V.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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72by Brightbill, Robin A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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73by Brightbill, Robin A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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74by McPherson, Ann K.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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75by Tanner, Dwight Q.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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76by Sando, Steven Kent, 1956-“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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77by Barton, Gary J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2004
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78by Berenbrock, Charles“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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79by Tanner, Dwight Q.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2004
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80Published 2006“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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