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 Name                           Last modified      Size  
 Parent Directory                                    -   
 report.pdf                     06-Nov-2010 10:40  1.1M  
 report-thumb.jpg               03-May-2011 13:00   11K

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1977/0560/
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