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 Name                           Last modified      Size  
 Parent Directory                                    -   
 Thumbs.db                      2017-07-12 09:25  7.5K  
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 report.pdf                     2017-07-03 08:12  6.9M

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U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/1981/1061/
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