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USGS CMG InfoBank Geology School: Sahara

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Title Comment Keywords
Blowouts and Oasis 15:11 - 16:09 (00:58) / 1.6 MB "Richard Hazlett", desert, wind, dune, blowout, stream, Sahara, "Earth's surface", vegetation, soil, sediment, "water table", oasis
Sahel 21:42 - 23:02 (01:20) / 2.3 MB desert, desertification, Africa, Sahel, Sahara, semi-arid, rainfall, grazing, drought, plant, soil, cattle, "dust storm", dune, Ethiopia, Sudan, human
Geology School Keywords
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URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/Sahar.html
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Page Last Modified: Tue Feb 5 05:13:12 PST 2013  (chd)