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 Name                           Last modified      Size  
 Parent Directory                                    -   
 report.pdf                     25-Oct-2010 20:27  2.2M  
 report-thumb.jpg               03-May-2011 12:57  8.1K  
 plate-1.pdf                    25-Mar-2011 04:18  2.5M  
 plate-1-thumb.jpg              02-May-2011 10:36   14K

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubs.usgs.gov/of/1973/0251/
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