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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: Adams County, Administrative watershed units, Administrative watershed units, Allegany County, Allegany 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...
Tags: Administrative watershed units, Administrative watershed units, Allegheny County, Area of Complex Channels, Area to be submerged, All tags...
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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the best available National Hydrography Dataset (NHD), the 10-meter 3D Elevation Program Digital Elevation Model (3DEP DEM), and the National Watershed Boundary Dataset (WBD). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to create a stream network with linear referencing, feature naming, "value added attributes" (VAAs), elevation-derived catchments, and other features for hydrologic data analysis. The stream network with linear referencing is a system of data relationships applied to hydrographic systems so that one stream reach "flows" into another and "events" can be tied to and traced...
Tags: Ashland County, Athens County, Belmont County, Carroll County, Columbiana 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: Accomack County, Adams County, Administrative watershed units, Alamance County, Albemarle 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...
Tags: Adams County, Administrative watershed units, Administrative watershed units, Allegany County, Allegany 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...
Tags: Adams County, Adams County, Administrative watershed units, Administrative watershed units, Allegheny 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...
Tags: Administrative watershed units, Administrative watershed units, Allegheny County, 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, Area of Complex Channels, Area to be submerged, Ashland County, All tags...


map background search result map search result map USGS National Hydrography Dataset (NHD) Best Resolution for West Virginia 20160414 State or Territory FileGDB 10.1 - HUC Watersheds USGS Topo Map Vector Data (Vector) 11272 Damascus, Ohio 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11272 Damascus, Ohio 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 13396 East Liverpool North, Ohio 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14069 Elkton, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14069 Elkton, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19237 Hanoverton, Ohio 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20869 Homeworth, Ohio 20170228 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29537 Minerva, Ohio 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31805 New Middletown, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 39465 Salineville, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48321 West Point, Ohio 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48066 Wellsville, Ohio 20170311 for 7.5 x 7.5 minute FileGDB 10.1 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 05030101 (published 20190706) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 05030101 (published 20190706) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 4 - 0504 (published 20190701) NHD 20190623 for Pennsylvania State or Territory FileGDB 10.1 Model Version 2.2.1 NHD 20190623 for Pennsylvania State or Territory Shapefile Model Version 2.2.1 NHD 20190622 for Ohio State or Territory Shapefile Model Version 2.2.1 USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0504 (published 20180813) USGS Topo Map Vector Data (Vector) 11272 Damascus, Ohio 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11272 Damascus, Ohio 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 13396 East Liverpool North, Ohio 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14069 Elkton, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14069 Elkton, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19237 Hanoverton, Ohio 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20869 Homeworth, Ohio 20170228 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29537 Minerva, Ohio 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31805 New Middletown, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 39465 Salineville, Ohio 20170227 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48321 West Point, Ohio 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48066 Wellsville, Ohio 20170311 for 7.5 x 7.5 minute FileGDB 10.1 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 05030101 (published 20190706) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 05030101 (published 20190706) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 4 - 0504 (published 20190701) USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0504 (published 20180813) NHD 20190622 for Ohio State or Territory Shapefile Model Version 2.2.1 NHD 20190623 for Pennsylvania State or Territory FileGDB 10.1 Model Version 2.2.1 NHD 20190623 for Pennsylvania State or Territory Shapefile Model Version 2.2.1 USGS National Hydrography Dataset (NHD) Best Resolution for West Virginia 20160414 State or Territory FileGDB 10.1 - HUC Watersheds