LIDAR map

http://gallery.usgs.gov/photos/09_01_2012_rVMy5DCp53_09_01_2012_0

A 3-D terrestrial lidar scan of the Interstate-510 bridge in New Orleans taken Friday (Aug. 31, 2012). The U.S. Geological Survey is using this new technology in select areas of Louisiana, Mississippi and Alabama to map flooding in urban areas impacted by Hurricane Isaac.