Browsing by Subject "Sand dunes"

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Spotlight On Science at the Smithsonian Vol. 4, No. 10, May 12, 2006

Evans, David L. (Smithsonian Institution. Office of the Under Secretary for Science., 2006-05-12)

Introduction from Dr. David Evans, Smithsonian Under Secretary for Science -- The Supernova Problem -- Permian/ Triassic Mass Extinction -- Neotropical Plant Diversity -- Monitoring Shifting Sands

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