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USGS Online Publications Directory

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[PARENTDIR] Parent Directory - [TXT] challenge.html 2013-01-12 23:11 8.0K [TXT] concl.html 2013-01-12 23:11 8.6K [TXT] disc.html 2013-01-12 23:11 17K [TXT] evol.html 2013-01-12 23:11 14K [DIR] fig_pages/ 2013-01-12 23:10 - [TXT] intro.html 2013-01-12 23:11 9.3K [TXT] ref.html 2013-01-12 23:11 5.5K [TXT] study.html 2013-01-12 23:11 39K

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