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61by Heath, Ralph C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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62by Waldron, Marcus C.“...U.S. Geological Survey, U.S. Dept. of the Interior,...”
Published 1998
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63by Anderson, Chauncey W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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64by Weaver, J. Curtis“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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65by MacCoy, Dorene E.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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66by Lanning-Rush, Jennifer“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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67by Cates, Steven W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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68by Levesque, Victor A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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69by Hopkins, Mark S.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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70by Langenheim, Victoria E.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1997
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71by Stephens, Doyle W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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72Published 1999“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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73Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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74by Verstraeten, I. M. (Ingrid Maria)“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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75Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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76by Ogle, Kathy Muller“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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77by Alexander, Terry W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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78by Orzol, L. L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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79by Konieczki, A. D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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80by Carter, Janet M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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