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86by Kimball, Briant A.“...U.S. Geological Survey,...”
Published 1999
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87
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91by Rupert, Michael, 1959-“...U.S. Geological Survey,...”
Published 2001
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92by Kay, Robert T.“...U.S. Geological Survey,...”
Published 1997
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93by Conger, Randall W.“...U.S. Geological Survey,...”
Published 1997
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94by Murdoch, Peter S.“...U.S. Geological Survey,...”
Published 1991
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95by Lambing, John H.“...U.S. Geological Survey,...”
Published 1991
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96
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99by Garcia, René“...U.S. Geological Survey,...”
Published 1992
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100