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 Name                           Last modified      Size  
 Parent Directory                                    -   
 plate-1.pdf                    2022-05-27 07:29  3.5M  
 plate-2.pdf                    2022-05-27 07:29  3.3M  
 report-thumb.jpg               2022-05-27 07:29   91K  
 report.pdf                     2022-05-27 07:29   24M

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U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/1981/0539/
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