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USGS Online Publications Directory

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[PARENTDIR] Parent Directory - [IMG] coverthb.jpg 2018-01-26 16:16 9.8K [   ] ofr19980062.pdf 2001-08-20 11:25 647K [IMG] report-thumb.jpg 2011-05-03 09:52 3.2K [   ] report.pdf 2011-01-21 09:36 794K

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