USGS Topo is a tile cache base map service that combines the most current data in The National Map (TNM), and other public-domain data, into a multi-scale topographic reference map. Data themes included are Boundaries, Geographic Names, Transportation, Contours, Hydrography, Land Cover, Shaded Relief, and Bathymetry. This service is designed to provide a seamless view of TNM data in a geographic information system (GIS) accessible format.
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{'Title': 'USGS TNM Topo Base Map', 'Author': '', 'Comments': 'See https://viewer.nationalmap.gov/help for assistance with The National Map viewer, download client, services, or metadata.', 'Subject': 'USGS TNM Topo Base Map', 'Category': '', 'AntialiasingMode': 'Fast', 'TextAntialiasingMode': 'Force', 'Keywords': 'ngda,base map,elevation,shaded relief,contour,hydrography,water,governmental unit,boundary,administrative,geographic name,land cover,structure,transportation,road,railroad,trail,airport,runway,NGP-TNM,REST,WMS,WMTS'}
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