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 Name                           Last modified      Size  
 Parent Directory                                    -   
 plate-1-thumb.jpg              2011-05-02 11:28   16K  
 plate-1.pdf                    2011-03-31 15:16  3.9M  
 report-thumb.jpg               2011-05-03 13:10  2.8K  
 report.pdf                     2010-12-02 23:03  133K

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URL: https://pubs.usgs.gov/of/1981/1321/
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