Principal Ports in the United States and Puerto Rico

From Esri Federal Data: 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.” 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源自Esri联邦数据：美国主要港口。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，展示美国及波多黎各按年度总吨位排序的主要港口。据美国陆军工程兵团说明：“该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、港口名称以及大宗商品吨位汇总数据（总吨位、国内货运量、境外货运量、进口量与出口量）。该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、港口名称以及大宗商品吨位汇总数据（总吨位、国内货运量、境外货运量、进口量与出口量）。”数据时效性：当前联邦服务（主要港口）。NGDAID：152（港口（国家级）- 国家地理空间数据资产（NGDA）港口数据集）。如需获取更多信息：美国主要港口。支持文档：主要港口（元数据）；数据字典。反馈可联系：[e-mail]。本数据集隶属于NGDA交通主题社区。根据联邦地理空间数据委员会（Federal Geospatial Data Committee, FGDC）的定义，交通是“用于运送人员和/或货物的手段与辅助设施。交通系统涵盖与所有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动”。其他NGDA相关内容：Esri联邦数据集。