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USGS Geographic Names
USGS developed The National Map Gazetteer as the Federal and national standard (ANSI INCITS 446-2008) for geographic nomenclature based on the Geographic Names Information... -
USGS Hydro Cached Base Map Service from The National Map
âThis service is a cached overlay of a cartographic representation of the National Hydrography Dataset (NHD). âThe NHD is a comprehensive set of digital âgeoâspatial... -
Border Conditions and the National Map
This map features highway-level data for the world and street-level data for North America, Europe, and other parts of the world. The map is intended to support the ArcGIS... -
USGS National Land Cover Database - The National Map - 1992, 2001, 2006 and 2011
USGS The National Map - The National Land Cover Database (NLCD) 1992, 2001, and 2006 was produced through a cooperative project conducted by the Multi-Resolution Land... -
USGS National Hydrography Dataset from The National Map - Example Web Map
USGS The National Map - National Hydrography Dataset (NHD) is a comprehensive set of digital spatial data that encodes information about naturally occurring and constructed... -
USGS - Topo basemap from The National Map
The USGS Topographic Base Map from The National Map. This tile cached web map service combines the most current data services (Boundaries, Names, Transportation, Elevation,... -
USGS Large Scale Orthoimagery from The National Map - Example Web Map
US Geological Survey Large Scale Orthoimagery Map Service - Orthoimagery data are typically high resolution aerial images that combine the visual attributes of an aerial... -
USGS Land Cover
NLCD 1992, NLCD 2001, and NLCD 2006 are National Land Cover Database classification schemes based primarily on Landsat data along with ancillary data sources, such as... -
USGS - Governmental Unit Boundaries from The National Map
USGS - The National Map Governmental Unit Boundaries data represent major civil areas including States, counties, Territories, Federal and Native American lands, and...