The national levee challenge: levees and the FEMA flood map modernization The XL zone would include those areas behind the levee that are subject to inundation by the100-year The number and types of egress so that people who may... ILPR Committee 被引量: 9发表: 2006年 Updating Flood Maps...
VALLEY STREAM, N.Y. (CBSNewYork)-- The Federal Emergency Management Agency has unveiled its new flood zone map forNassau County's South Shore. The federal government added 90,000 properties to the flood hazard zone when it issued new maps in 2009. But now, FEMA has pledged to revise ...