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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...
Types: Citation; Tags: Flow direction network, boundaries, National Hydrography Dataset (NHD), Gaging Station, Water Intake Outflow, 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...


map background search result map search result map USGS National Hydrography Dataset (NHD) Best Resolution 20170831 for State or Territory FileGDB 10.1 Model Version 2.2.1 USGS 1:24000-scale Quadrangle for Dover East, NH 1956 USGS 1:24000-scale Quadrangle for Lincoln, NH 1995 USGS 1:24000-scale Quadrangle for South Twin Mountain, NH 1995 USGS 1:24000-scale Quadrangle for Squam Mountains, NH 1980 USGS 1:24000-scale Quadrangle for Squam Mountains, NH 1995 USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) Best Resolution for HU4-0104 (Subregion) Publication Date 20170419 HU-4 Subregion USGS Topo Map Vector Data (Vector) 6992 Canaan, New Hampshire 20161211 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11287 Danbury, New Hampshire 20161211 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17267 Gilmanton Ironworks, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47584 Washington, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 49038 Wild River, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 2446 Barnet, Vermont 20161220 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 3234 Belmont, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14842 Fairlee, Vermont 20161216 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16214 Franconia, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 71074 North Hartland, Vermont 20161220 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34855 Peterborough North, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41389 Silver Lake, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41389 Silver Lake, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS 1:24000-scale Quadrangle for Dover East, NH 1956 USGS 1:24000-scale Quadrangle for Lincoln, NH 1995 USGS 1:24000-scale Quadrangle for South Twin Mountain, NH 1995 USGS 1:24000-scale Quadrangle for Squam Mountains, NH 1980 USGS 1:24000-scale Quadrangle for Squam Mountains, NH 1995 USGS Topo Map Vector Data (Vector) 6992 Canaan, New Hampshire 20161211 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11287 Danbury, New Hampshire 20161211 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17267 Gilmanton Ironworks, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47584 Washington, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 49038 Wild River, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 2446 Barnet, Vermont 20161220 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 3234 Belmont, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14842 Fairlee, Vermont 20161216 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16214 Franconia, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 71074 North Hartland, Vermont 20161220 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34855 Peterborough North, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41389 Silver Lake, New Hampshire 20161212 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41389 Silver Lake, New Hampshire 20161212 for 7.5 x 7.5 minute Shapefile USGS National Hydrography Dataset (NHD) Best Resolution 20170831 for State or Territory FileGDB 10.1 Model Version 2.2.1 USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) Best Resolution for HU4-0104 (Subregion) Publication Date 20170419 HU-4 Subregion