Post-Hurricane Ivan coastal oblique aerial photographs collected from Crawfordville, Florida, to Petit Bois Island, Mississippi, September 17, 2004

The U.S. Geological Survey (USGS) conducts baseline and storm response photography missions to document and understand the changes in vulnerability of the Nation's...美国地质调查局（U.S. Geological Survey, USGS）将开展基线与风暴响应摄影任务，以记录并探析美国全国范围内……的脆弱性变化。