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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 areas are nested within each other so that a large drainage area, such as the Upper Mississippi River, will be composed of multiple smaller drainage areas, such as the Wisconsin River. Each of these smaller areas can further be subdivided into smaller and smaller drainage areas. The WBD uses six different levels in this hierarchy, with the smallest averaging about 30,000 acres. The WBD is made up of polygons nested into six levels of data respectively defined by Regions, Subregions, Basins, Subbasins, Watersheds, and Subwatersheds. For additional...
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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 System (GNIS). The National Map Gazetteer contains information about physical and cultural geographic features, geographic areas, and locational entities that are generally recognizable and locatable by name (have achieved some landmark status) and are of interest to any level of government or to the public for any purpose that would lead to the representation of the feature in printed or electronic maps and/or geographic information systems. The dataset includes features of all types in the United States, its associated areas, and Antarctica,...
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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 and constructed bodies of surface water (lakes, ponds, and reservoirs), paths through which water flows (canals, ditches, streams, and rivers), and related entities such as point features (springs, wells, stream gages, and dams). The information encoded about these features includes classification and other characteristics, delineation, geographic name, position and related measures, a "reach code" through which other information can be related to the NHD, and the direction of water flow. The network of reach codes delineating water and...


map background search result map search result map USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map USGS Land Cover - Woodland for Mississippi 20160519 State or Territory Shapefile USGS Geographic Names (GNIS) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Geographic Names Information System (GNIS) USGS Hydrography (NHD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) USGS Land Cover - Woodland for Missouri 20180127 State or Territory Shapefile USGS National Landcover - Woodland in Wyoming 20210726 State or Territory FileGDB 10.1 USGS Land Cover - Woodland for District of Columbia 20180810 State or Territory Shapefile USGS National Landcover - Woodland in Indiana 20190719 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Illinois 20191007 State or Territory Shapefile USGS National Landcover - Woodland in Kansas 20190524 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Maryland 20191015 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Minnesota 20190813 State or Territory FileGDB 10.1 USGS Land Cover - Woodland for New Mexico 20180810 State or Territory Shapefile USGS National Landcover - Woodland in New York 20190924 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in North Dakota 20200716 State or Territory Shapefile USGS National Landcover - Woodland in Ohio 20191108 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Oklahoma 20190610 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Washington 20200309 State or Territory FileGDB 10.1 USGS Land Cover - Woodland for California 20181111 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Texas 20190613 State or Territory FileGDB 10.1 USGS Land Cover - Woodland for District of Columbia 20180810 State or Territory Shapefile USGS National Landcover - Woodland in Maryland 20191015 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Indiana 20190719 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Ohio 20191108 State or Territory FileGDB 10.1 USGS Land Cover - Woodland for Mississippi 20160519 State or Territory Shapefile USGS National Landcover - Woodland in Kansas 20190524 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in North Dakota 20200716 State or Territory Shapefile USGS National Landcover - Woodland in Illinois 20191007 State or Territory Shapefile USGS National Landcover - Woodland in Washington 20200309 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Wyoming 20210726 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Oklahoma 20190610 State or Territory FileGDB 10.1 USGS Land Cover - Woodland for Missouri 20180127 State or Territory Shapefile USGS Land Cover - Woodland for New Mexico 20180810 State or Territory Shapefile USGS National Landcover - Woodland in New York 20190924 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Minnesota 20190813 State or Territory FileGDB 10.1 USGS Land Cover - Woodland for California 20181111 State or Territory FileGDB 10.1 USGS National Landcover - Woodland in Texas 20190613 State or Territory FileGDB 10.1 USGS Hydrography (NHD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) USGS Geographic Names (GNIS) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Geographic Names Information System (GNIS) USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map