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 Name                           Last modified      Size  
 Parent Directory                                    -   
 report.pdf                     10-Nov-2010 19:08   27M  
 report-thumb.jpg               03-May-2011 13:32  6.1K

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1989/0261/
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