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 Name                           Last modified      Size  
 Parent Directory                                    -   
 report.pdf                     03-Nov-2010 22:48  299K  
 report-thumb.jpg               03-May-2011 13:28  3.8K

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1987/0561/
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