H11556: NOS Hydrographic Survey , Everett, Washington, 2006-10-17

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe...美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration, NOAA）拥有法定职权，可收集水文数据以支持保障安全……的海图编制工作。