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 Name                           Last modified      Size  
 Parent Directory                                    -   
 plate-1-thumb.jpg              02-May-2011 12:45   16K  
 plate-1.pdf                    18-Apr-2011 19:50  4.8M  
 report-thumb.jpg               03-May-2011 13:39  5.5K  
 report.pdf                     26-Nov-2010 21:15  481K

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://http://pubs.usgs.gov/of/1991/0438a/
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Page Last Modified: Tuesday, July 28 2009, 01:08:18 PM