USGS National Map
收藏Missouri Spatial Data Information Service Open Data Site2026-03-28 收录
下载链接：
https://data-msdis.opendata.arcgis.com/maps/esri::usgs-national-map
下载链接
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资源简介：
<p><span style='color:rgb(77,77,77);'>The USGS Topo base map service from The National Map is a combination of contours, shaded relief, woodland and urban tint, along with vector layers, such as geographic names, governmental unit boundaries, hydrography, structures, and transportation, to provide a composite topographic base map. Data sources are the National Atlas for small scales, and The National Map for medium to large scales.</span><br /><br /><span>Source: U.S. Geological Survey (USGS), National Geospatial Program – The National Map</span></p>
提供机构：
Esri
