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USGS Online Publications Directory

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[PARENTDIR] Parent Directory                                    -   
[IMG] covrthb.jpg                    2021-07-01 13:30   34K  
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[   ] ofr20211050.pdf                2021-07-01 13:03   13M  
[TXT] ofr20211050.xml                2021-07-22 15:28  356K

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