Principal Ports

Principal Ports This National Geospatial Data Asset (NGDA) dataset, shared as a United States Army Corps of Engineers (USACE) feature layer, displays principal ports in the United States and Puerto Rico by total annual tonnage. Per USACE, “The principal port file contains USACE port codes, geographic location, names, and commodity tonnage summaries (total tons, domestic, foreign, imports and exports) for principal USACE ports. The principal port file contains USACE port codes, geographic location, names, and commodity tonnage summaries (total tons, domestic, foreign, imports and exports) for principal USACE ports.” Pittsburgh, Conneaut & New York & New Jersy Port Data currency: current federal service (Principal Ports) NGDAID: 152 (Ports (National) - National Geospatial Data Asset (NGDA) Ports) For more information: Principal ports of the United States Support documentation: Principal Ports (metadata); Data dictionary For feedback please contact: [e-mail] NGDA Data Set This data set is part of the NGDA Transportation Theme Community. Per the Federal Geospatial Data Committee (FGDC), Transportation is defined as the "means and aids for conveying persons and/or goods. The transportation system includes both physical and non-physical components related to all modes of travel that allow the movement of goods and people between locations". For other NGDA Content: Esri Federal Datasets主要港口数据集 本数据集为国家地理空间数据资产（National Geospatial Data Asset, NGDA）项目成果，以美国陆军工程兵团（United States Army Corps of Engineers, USACE）要素图层形式共享，按年度总吞吐量展示美国及波多黎各的主要港口情况。 据美国陆军工程兵团说明：「本主要港口文件包含美国陆军工程兵团管辖的主要港口的港口代码、地理位置、港口名称，以及货物吞吐量统计数据，涵盖总吨位、国内贸易吨位、外贸吨位、进口吨位与出口吨位。本主要港口文件包含美国陆军工程兵团管辖的主要港口的港口代码、地理位置、港口名称，以及货物吞吐量统计数据，涵盖总吨位、国内贸易吨位、外贸吨位、进口吨位与出口吨位」。 匹兹堡、康诺特及纽约与新泽西港口的数据时效性为现行联邦服务（主要港口类别）。 NGDA编号：152（国家级港口——国家地理空间数据资产（NGDA）港口数据集） 更多相关信息：美国主要港口 配套支持文档：主要港口（元数据）；数据字典 如需反馈，请联系：[e-mail] 本数据集隶属于NGDA交通主题社区。依据美国联邦地理数据委员会（Federal Geospatial Data Committee, FGDC）的定义，交通指「用于运送人员及/或货物的手段与辅助设施。交通系统涵盖与各类出行方式相关的物理与非物理组件，可实现人员与货物在不同地点间的流转」。 其他国家地理空间数据资产内容：Esri联邦数据集