OBSTUCTION LINE
收藏USACE GIS Open Data Portal2026-05-16 收录
下载链接：
https://geospatial-usace.opendata.arcgis.com/datasets/7b9b914dbfdd4ecc89c9a950fc49a82a_0
下载链接
链接失效反馈官方服务：
资源简介：
In marine navigation, anything that hinders or prevents movement, particularly anything that endangers or prevents passage of a vessel. The term is usually used to refer to an isolated danger to navigation... (IHO Dictionary, S-32, 5th Edition, 3503)
提供机构：
US Army Corps of Engineers
