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 Name                           Last modified      Size  
 Parent Directory                                    -   
 report.pdf                     2018-09-10 09:31   17M  
 report-thumb.jpg               2018-09-10 09:32   36K  
 plate-1.pdf                    2018-09-10 09:33  437K  
 figure-2.pdf                   2018-09-10 09:33  248K

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U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/1951/0143/
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