H09064: NOS Hydrographic Survey , Manchester Harbor and Approaches, Massachusetts, 1969-09-11
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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,简称NOAA)拥有法定授权,可收集水文数据以支持航海图编制工作,保障海上安全……



