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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: Accomack County, Adams County, Administrative watershed units, Administrative watershed units, Alamance 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, Anne Arundel County, Area of Complex Channels, Area to be submerged, 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, Anne Arundel County, Area of Complex Channels, Area to be submerged, 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: Accomack County, Adams County, Administrative watershed units, Administrative watershed units, Alexandria County, 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, Anne Arundel County, Area of Complex Channels, Area to be submerged, All tags...


map background search result map search result map USGS Topo Map Vector Data (Vector) 3315 Benedict, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5671 Broomes Island, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 25469 Leonardtown, Maryland 20201007 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25469 Leonardtown, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 35790 Point No Point, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 38262 Rock Point, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39275 Saint George Island, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39354 Saint Marys City, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 42038 Solomons Island, Maryland 20201007 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 42038 Solomons Island, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23690 Kinsale, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 23690 Kinsale, Virginia 20190917 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 43431 Stratford Hall, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 43431 Stratford Hall, Virginia 20190917 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41783 Smith Point, Virginia 20190919 for 7.5 x 7.5 minute FileGDB 10.1 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02060004 (published 20220605) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02060006 (published 20220605) USGS National Hydrography Dataset Best Resolution (NHD) - Virginia (published 20220603) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 0206 (published 20220603) USGS National Hydrography Dataset Best Resolution (NHD) - Maryland (published 20220602) USGS Topo Map Vector Data (Vector) 3315 Benedict, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5671 Broomes Island, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 25469 Leonardtown, Maryland 20201007 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25469 Leonardtown, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 35790 Point No Point, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 38262 Rock Point, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39275 Saint George Island, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39354 Saint Marys City, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 42038 Solomons Island, Maryland 20201007 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 42038 Solomons Island, Maryland 20201007 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23690 Kinsale, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 23690 Kinsale, Virginia 20190917 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 43431 Stratford Hall, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 43431 Stratford Hall, Virginia 20190917 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41783 Smith Point, Virginia 20190919 for 7.5 x 7.5 minute FileGDB 10.1 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02060004 (published 20220605) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02060006 (published 20220605) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 0206 (published 20220603) USGS National Hydrography Dataset Best Resolution (NHD) - Maryland (published 20220602) USGS National Hydrography Dataset Best Resolution (NHD) - Virginia (published 20220603)