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 Name                           Last modified      Size  
 Parent Directory                                    -   
 plate-1-1.pdf                  2019-06-20 13:56   13M  
 plate-1-2.pdf                  2019-06-20 13:56  7.3M  
 plate-2.pdf                    2019-06-20 13:56  9.1M  
 report-thumb.jpg               2019-06-20 13:56   16K

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U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/1960/0131/
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