National Ocean Service (NOS) Cartographic Codes for Bottom Character in the Gulf of Maine region (NOSGOM shapefile)

These data were collected by the National Ocean Service (NOS, formerly the U.S. Coast and Geodetic Survey) for the purpose of charting the coastal waters and...本数据集由美国国家海洋服务局（National Ocean Service, NOS，前身为美国海岸和大地测量局）为编制沿海水域海图之目的采集所得……