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 Name                           Last modified      Size  
 Parent Directory                                    -   
 plate-1-thumb.jpg              02-May-2011 10:56   11K  
 plate-1.pdf                    25-Mar-2011 05:22  2.1M  
 report-thumb.jpg               03-May-2011 13:03  2.5K  
 report.pdf                     12-Nov-2010 09:05  251K

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://http://pubs.usgs.gov/of/1978/0073n/
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Page Last Modified: Tuesday, July 28 2009, 01:08:18 PM