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USGS Online Publications Directory

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[PARENTDIR] Parent Directory - [IMG] report-thumb.jpg 2021-01-21 17:02 10K [   ] figure-5.pdf 2021-01-21 17:02 352K [   ] plate-1.pdf 2021-01-21 17:02 375K [   ] figure-4.pdf 2021-01-21 17:02 381K [   ] report.pdf 2021-01-21 17:02 61M

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