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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: AL, Administrative watershed units, Alabama, Alcorn County, Area of Complex Channels, All tags...
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal extent of surface water drainage to a point except in coastal or lake front areas where there could be multiple outlets as stated by the "Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD)" "Standard" (https://pubs.usgs.gov/tm/11/a3/). Watershed boundaries are determined solely upon science-based hydrologic principles, not favoring any administrative boundaries or special projects, nor particular program or agency. This dataset represents the hydrologic unit boundaries to the 12-digit (6th level)...
Tags: 10-digit, 12-digit, 14-digit, 16-digit, 2-digit, All tags...
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal extent of surface water drainage to a point except in coastal or lake front areas where there could be multiple outlets as stated by the "Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD)" "Standard" (https://pubs.usgs.gov/tm/11/a3/). Watershed boundaries are determined solely upon science-based hydrologic principles, not favoring any administrative boundaries or special projects, nor particular program or agency. This dataset represents the hydrologic unit boundaries to the 12-digit (6th level)...
Tags: 10-digit, 12-digit, 14-digit, 16-digit, 2-digit, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, Basin, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: AL, Administrative watershed units, Administrative watershed units, Alabama, Alcorn County, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Abbeville County, Administrative watershed units, Aiken County, Alamance County, Alexander County, All tags...
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Adair County, Administrative watershed units, Administrative watershed units, Anderson County, Area of Complex Channels, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Anderson County, Area of Complex Channels, Area to be submerged, All tags...


map background search result map search result map USGS National Hydrography Dataset (NHD) Best Resolution for Alabama 20160411 State or Territory FileGDB 10.1 - Flowlines USGS National Hydrography Dataset (NHD) Best Resolution for North Carolina 20160413 State or Territory FileGDB 10.1 - HUC Watersheds USGS Topo Map Vector Data (Vector) 20139 Henson Gap, Tennessee 20190912 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 26415 Lonewood, Tennessee 20190911 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26415 Lonewood, Tennessee 20190911 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30221 Morgan Springs, Tennessee 20190912 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 35147 Pikeville, Tennessee 20190912 for 7.5 x 7.5 minute Shapefile USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 06 (published 20201002) USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 06 (published 20201002) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 4 - 0513 (published 20211104) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 06010201 (published 20211211) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 06010208 (published 20220109) USGS NED 1/3 arc-second Contours for Chattanooga E, Tennessee 20190624 1 X 1 degree Shapefile NHD 20200615 for Alabama State or Territory Shapefile Model Version 2.2.1 USGS US Topo 7.5-minute map for Graysville, TN 2019 USGS US Topo 7.5-minute map for Lonewood, TN 2019 USGS US Topo 7.5-minute map for Melvine, TN 2019 USGS US Topo 7.5-minute map for Pikeville, TN 2019 USGS US Topo 7.5-minute map for Sampson, TN 2019 USGS US Topo 7.5-minute map for Vandever, TN 2019 USGS Topo Map Vector Data (Vector) 20139 Henson Gap, Tennessee 20190912 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 26415 Lonewood, Tennessee 20190911 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26415 Lonewood, Tennessee 20190911 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30221 Morgan Springs, Tennessee 20190912 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 35147 Pikeville, Tennessee 20190912 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Graysville, TN 2019 USGS US Topo 7.5-minute map for Lonewood, TN 2019 USGS US Topo 7.5-minute map for Melvine, TN 2019 USGS US Topo 7.5-minute map for Pikeville, TN 2019 USGS US Topo 7.5-minute map for Sampson, TN 2019 USGS US Topo 7.5-minute map for Vandever, TN 2019 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 06010208 (published 20220109) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 06010201 (published 20211211) USGS NED 1/3 arc-second Contours for Chattanooga E, Tennessee 20190624 1 X 1 degree Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 4 - 0513 (published 20211104) USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 06 (published 20201002) USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 06 (published 20201002) NHD 20200615 for Alabama State or Territory Shapefile Model Version 2.2.1 USGS National Hydrography Dataset (NHD) Best Resolution for Alabama 20160411 State or Territory FileGDB 10.1 - Flowlines USGS National Hydrography Dataset (NHD) Best Resolution for North Carolina 20160413 State or Territory FileGDB 10.1 - HUC Watersheds