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Hurricane Katrina Impact Studies
Information from a research project of the U.S. Geological Survey (USGS), NASA, the U.S. Army Corps of Engineers, and the University of New Orleans "investigating coastal change that occurred as a result of Hurricane Katrina." Includes results of "aerial video, still photography, and laser altimetry surveys of post-storm beach conditions ... collected August 31 and September 1, 2005 for comparison with earlier data." From the U.S. Geological Survey (USGS).
http://coastal.er.usgs.gov/hurricanes/katrina/

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