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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, Baldwin, 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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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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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, Banks, 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, Appling, Area of Complex Channels, Area to be submerged, All tags...
thumbnail
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, Appling, Area of Complex Channels, Area to be submerged, All tags...


map background search result map search result map USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20240111) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 03060104 (published 20231215) FileGDB USGS Topo Map Vector Data (Vector) 25588 Lexington GA (published 20241201) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 03070101 (published 20231215) FileGDB USGS NED 1/3 arc-second Contours for Greenville E, South Carolina 1 x 1 degree (published 20241109) FileGDB USGS US Topo 7.5-minute map for Athens East, GA 2011 USGS US Topo 7.5-minute map for Athens East, GA 2014 USGS US Topo 7.5-minute map for Carlton, GA 2014 USGS US Topo 7.5-minute map for Carlton, GA 2017 USGS US Topo 7.5-minute map for Crawford, GA 2011 USGS US Topo 7.5-minute map for Elberton West, GA 2017 USGS US Topo 7.5-minute map for Greshamville, GA 2014 USGS US Topo 7.5-minute map for Maxeys, GA 2014 USGS US Topo 7.5-minute map for Rayle, GA 2011 USGS National Hydrography Dataset Best Resolution (NHD) - Georgia (published 20231227) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 0307 (published 20231118) Shapefile USGS Topo Map Vector Data (Vector) 21421 Hull GA (published 20241128) GeoPackage USGS Topo Map Vector Data (Vector) 2450 Barnett Shoals GA (published 20241201) GeoPackage USGS Topo Map Vector Data (Vector) 28085 Maxeys GA (published 20241203) GeoPackage USGS Topo Map Vector Data (Vector) 71944 Vesta GA (published 20241207) GeoPackage USGS Topo Map Vector Data (Vector) 25588 Lexington GA (published 20241201) FileGDB USGS US Topo 7.5-minute map for Athens East, GA 2011 USGS US Topo 7.5-minute map for Athens East, GA 2014 USGS US Topo 7.5-minute map for Carlton, GA 2014 USGS US Topo 7.5-minute map for Carlton, GA 2017 USGS US Topo 7.5-minute map for Crawford, GA 2011 USGS US Topo 7.5-minute map for Elberton West, GA 2017 USGS US Topo 7.5-minute map for Greshamville, GA 2014 USGS US Topo 7.5-minute map for Maxeys, GA 2014 USGS US Topo 7.5-minute map for Rayle, GA 2011 USGS Topo Map Vector Data (Vector) 21421 Hull GA (published 20241128) GeoPackage USGS Topo Map Vector Data (Vector) 2450 Barnett Shoals GA (published 20241201) GeoPackage USGS Topo Map Vector Data (Vector) 28085 Maxeys GA (published 20241203) GeoPackage USGS Topo Map Vector Data (Vector) 71944 Vesta GA (published 20241207) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 03060104 (published 20231215) FileGDB USGS NED 1/3 arc-second Contours for Greenville E, South Carolina 1 x 1 degree (published 20241109) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 03070101 (published 20231215) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 0307 (published 20231118) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) - Georgia (published 20231227) FileGDB USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20240111) FileGDB