Publisher:Geological Society of America Date:2013-08-01
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Publisher:Geological Society of America Date:2008-
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Publisher:Geological Society of America Date:2005-
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Publisher:Geological Society of America Date:2003-
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Publisher:Geological Society of America Date:2001-
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Publisher:Geological Society of America Date:2000-
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Publisher:Geological Society of America Date:1998-
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