Major Highways in North America
收藏DataONE2016-10-29 更新2024-06-26 收录
下载链接：
https://search.dataone.org/view/47db70ae-b9b8-46ca-b050-85ba1648b90f
下载链接
链接失效反馈官方服务：
资源简介：
Major roads in northern North America as determined by the U.S. National Atlas (edcftp.cr.usgs.gov) and The National Atlas of Canada (geogratis.cgdi.gc.ca). National data layers were re-attributed and merged to create a seemless major road layer for North America.
创建时间：
2016-10-29
