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 Name                           Last modified      Size  
 Parent Directory                                    -   
 plate-2-thumb.jpg              03-May-2011 14:30  7.4K  
 plate-1-thumb.jpg              03-May-2011 14:30   10K  
 plate-2.pdf                    24-Mar-2011 16:27  1.7M  
 plate-1.pdf                    24-Mar-2011 16:27  3.0M

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URL: http://pubs.usgs.gov/of/1977/0427/
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