Datasets
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USGS Land Cover (NLCD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Land Cover Database (NLCD) NGDA recent views
NLCD 1992, NLCD 2001, NLCD 2006, and NLCD 2011 are National Land Cover Database classification schemes based primarily on Landsat data along with ancillary data sources, such as... -
USGS Hydrography (NHD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) NGDA recent views
The USGS National Hydrography Dataset (NHD) service from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about naturally occurring... -
USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA recent views
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage... -
USGS US Topo Availability Overlay Map Service from The National Map recent views
The USGS US Topo Availability service from The National Map consists of footprints where US Topo products are currently available. Various green tints are used to reflect the... -
USGS 3DEP Elevation Service from The National Map - National Geospatial Data Asset (NGDA) NGDA recent views
The USGS 3D Elevation Program (3DEP) Bare Earth DEM Dynamic service is based on multi-resolution USGS DEM sources and provides dynamic functions for visualization. These... -
USGS NAIP Imagery Overlay Map Service from The National Map recent views
The USGS NAIP Imagery service from The National Map (TNM) consists of high resolution images that combine the visual attributes of an aerial photograph with the spatial accuracy... -
USGS Map Indices Overlay Map Service from The National Map recent views
The USGS Map Indices service from The National Map (TNM) consists of 1x1 Degree, 30x60 Minute (100K), 15 Minute (63K), 7.5 Minute (24K), and 3.75 Minute grid polygons used in... -
USGS 3DEP Elevation Availability Index (NED) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Elevation Data Set (NED) NGDA recent views
The USGS 3D Elevation Program (3DEP) Index service from The National Map shows two general categories of downloadable elevation data: (1) digital elevation model (DEM) datasets... -
USGS Structures Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) USGS National Structures Dataset NGDA recent views
USGS Structures from The National Map (TNM) consists of data to include the name, function, location, and other core information and characteristics of selected manmade... -
USGS Elevation Contours Overlay Map Service from The National Map NGDA recent views
The USGS Elevation Contours service from The National Map (TNM) consists of contours generated for the conterminous United States from 1- and 1/3 arc-second elevation data.... -
USGS 250K Special Edition Maps Overlay Map Service from The National Map recent views
This map service provides download links to USGS National Map Special Edition 250K Geospatial PDF maps over the areas impacted by hurricanes or other disasters. The 250K... -
USGS NAIPPlus Overlay Map Service from The National Map recent views
The USGS NAIP Plus service from The National Map consists of National Agriculture Imagery Program (NAIP) and high resolution orthoimagery (HRO) that combine the visual... -
USGS Geographic Names (GNIS) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Geographic Names Information System (GNIS) NGDA recent views
USGS developed The National Map (TNM) Gazetteer as the Federal and national standard (ANSI INCITS 446-2008) for geographic nomenclature based on the Geographic Names Information...