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USGS Online Publications Directory

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[PARENTDIR] Parent Directory - [IMG] coverthb.jpg 2018-10-10 17:09 21K [   ] ofr19970419.pdf 2018-10-10 17:14 600K [IMG] report-thumb.jpg 2011-05-03 09:47 5.0K [   ] report.pdf 2011-01-19 05:16 470K

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