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 Name                           Last modified      Size  
 Parent Directory                                    -   
 report.pdf                     28-Oct-2010 14:50  4.4M  
 report-thumb.jpg               03-May-2011 12:58  6.4K

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1974/0311/
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