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64by Lopes, Thomas J.“...U.S. Geological Survey,...”
Published 2009
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65by Lopes, Thomas J.“...U.S. Geological Survey,...”
Published 2009
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66
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68by Heywood, Charles E.“...U.S. Geological Survey,...”
Published 2016
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69by Butler, David L. (David Louis), 1946-“...U.S. Geological Survey,...”
Published 1996
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70
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73by Minges, Donald R.“...U.S. Geological Survey,...”
Published 1983
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74by Burnett, Robert D.“...U.S. Geological Survey,...”
Published 1985
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75
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76by Fischer, Edward E.“...U.S. Geological Survey,...”
Published 1987
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77by Benson, Rick D.“...U.S. Geological Survey,...”
Published 1983
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