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 Name                           Last modified      Size  
 Parent Directory                                    -   
 coverthb.jpg                   2021-06-03 18:24   26K  
 ofr20211049.pdf                2021-06-04 15:44  1.6M  
 ofr20211049_table2.pdf         2021-06-04 13:28  220K

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U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/2021/1049/
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