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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, Administrative watershed units, Administrative watershed units, 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: Adams, Administrative watershed units, Administrative watershed units, Allegheny, 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, Albany, Allegany, 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: Adams, Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, 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.


map background search result map search result map USGS Topo Map Vector Data (Vector) 8275 Chatham NY (published 20231221) Shapefile USGS Topo Map Vector Data (Vector) 13351 East Chatham NY (published 20231222) FileGDB USGS Topo Map Vector Data (Vector) 20991 Hopkins Ridge WA (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 47183 Waitsburg NW WA (published 20231225) FileGDB USGS Topo Map Vector Data (Vector) 9322 Coal Creek WA (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 42958 Starbuck East WA (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 17563 Godman Spring WA (published 20231225) FileGDB USGS National Map Index Names (published 20240120) Shapefile USGS National Map Index Names (published 20240120) Shapefile USGS NED 1/3 arc-second Contours for Vancouver E, Washington 1 x 1 degree (published 20240112) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) - New York (published 20231227) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) - Pennsylvania (published 20231227) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) - Washington (published 20231227) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 1706 (published 20231225) FileGDB USGS Topo Map Vector Data (Vector) 7646 Catawissa PA (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 43210 Stillwater PA (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 962 Ancram NY (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 37150 Ravena NY (published 20231222) GeoPackage USGS Topo Map Vector Data (Vector) 47183 Waitsburg NW WA (published 20231225) GeoPackage USGS Topo Map Vector Data (Vector) 45828 Tucannon WA (published 20231225) GeoPackage USGS Topo Map Vector Data (Vector) 8275 Chatham NY (published 20231221) Shapefile USGS Topo Map Vector Data (Vector) 13351 East Chatham NY (published 20231222) FileGDB USGS Topo Map Vector Data (Vector) 20991 Hopkins Ridge WA (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 47183 Waitsburg NW WA (published 20231225) FileGDB USGS Topo Map Vector Data (Vector) 9322 Coal Creek WA (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 42958 Starbuck East WA (published 20231225) Shapefile USGS Topo Map Vector Data (Vector) 17563 Godman Spring WA (published 20231225) FileGDB USGS Topo Map Vector Data (Vector) 7646 Catawissa PA (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 43210 Stillwater PA (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 962 Ancram NY (published 20231221) GeoPackage USGS Topo Map Vector Data (Vector) 37150 Ravena NY (published 20231222) GeoPackage USGS Topo Map Vector Data (Vector) 47183 Waitsburg NW WA (published 20231225) GeoPackage USGS Topo Map Vector Data (Vector) 45828 Tucannon WA (published 20231225) GeoPackage USGS NED 1/3 arc-second Contours for Vancouver E, Washington 1 x 1 degree (published 20240112) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) - Pennsylvania (published 20231227) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 1706 (published 20231225) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) - Washington (published 20231227) FileGDB USGS National Map Index Names (published 20240120) Shapefile USGS National Map Index Names (published 20240120) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) - New York (published 20231227) FileGDB