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 Name                           Last modified      Size  
 Parent Directory                                    -   
 plate-1-thumb.jpg              03-May-2011 18:40  3.3K  
 plate-1.pdf                    08-Apr-2011 14:44  3.6M  
 plate-2-thumb.jpg              03-May-2011 18:40  3.2K  
 plate-2.pdf                    08-Apr-2011 14:44  3.2M

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://http://pubs.usgs.gov/of/1981/0728l/
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Page Last Modified: Tuesday, July 28 2009, 01:08:18 PM