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 Name                           Last modified      Size  
 Parent Directory                                    -   
 coverthb.jpg                   2021-04-01 07:47   14K  
 downloads/                     2021-04-05 08:57    -   
 ofr20211018.pdf                2021-04-01 09:53  1.2M

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U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/2021/1018/
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