NAVIGATIONAL SYSTEM OF MARKS AREA
收藏USACE GIS Open Data Portal2026-05-16 收录
下载链接：
https://geospatial-usace.opendata.arcgis.com/datasets/5a46035a3cbd44cdbc10b8ac55eb6bad_0
下载链接
链接失效反馈官方服务：
资源简介：
An area within which a specific system of navigational marks applies and/or a common direction of buoyage.
提供机构：
US Army Corps of Engineers
