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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, Administrative watershed units, Administrative watershed units, Albemarle, Alexandria, All tags...
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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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Layers of geospatial data include roads, airports, trails, and railroads.
Tags: Accomack, Airport Complex, Airport Point, Airport Runway, Airports, 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, Basin, All tags...
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Tree growth (annual tree ring measurements) and plant community composition data of tidal freshwater forested wetlands along longitudinal riverine positions (upper, lower, and stressed tidal river sites, and nearby upstream non-tidal forested floodplains) of the adjoining Pamunkey and Mattaponi Rivers, Virginia.
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This data release contains three 10-meter resolution GeoTIFFs representing 10-meter (35-foot), 30-meter (100-foot) and 90-meter (300-foot) riparian buffer zones along shorelines, rivers, streams, and other lotic (flowing) water features. The layers are binary, where the value of each cell represents the presence or absence of the buffer zone. In addition, the data release contains shapefile layers that document the extent of corrections that were made to the data to address errors in the stream network (see processing steps section for more details). The methodology combines various fine-scale input layers, including a 1:24k stream network and Chesapeake Bay 1-meter resolution Land Use/Land Cover to approximate...
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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, Alamance, Appomattox, Area of Complex Channels, All tags...


map background search result map search result map USGS Topo Map Vector Data (Vector) 24412 Lake Drummond VA (published 20241201) FileGDB USGS Topo Map Vector Data (Vector) 24414 Lake Drummond SE VA (published 20241201) Shapefile USGS Topo Map Vector Data (Vector) 23233 Kempsville VA (published 20241130) Shapefile USGS Topo Map Vector Data (Vector) 23233 Kempsville VA (published 20241130) FileGDB USGS Topo Map Vector Data (Vector) 30991 Moyock NC (published 20241206) FileGDB USGS Topo Map Vector Data (Vector) 35649 Pleasant Ridge VA (published 20241129) FileGDB USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20240111) FileGDB Data on Tree Growth and Plant Community Composition in Mid-Atlantic Tidal Freshwater Forested Wetlands USGS US Topo 7.5-minute map for Bowers Hill, VA 2016 USGS US Topo 7.5-minute map for Creeds, VA-NC 2013 USGS US Topo 7.5-minute map for Creeds, VA-NC 2016 USGS US Topo 7.5-minute map for Fentress, VA 2016 USGS US Topo 7.5-minute map for Kempsville, VA 2013 USGS US Topo 7.5-minute map for Lake Drummond, VA-NC 2013 USGS US Topo 7.5-minute map for Pleasant Ridge, VA 2013 USGS National Hydrography Dataset Best Resolution (NHD) - Virginia (published 20231227) Shapefile USGS National Transportation Dataset (NTD) for Virginia (published 20240216) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 0301 (published 20231213) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02080208 (published 20231215) GeoPackage Chesapeake Bay Watershed 1:24k 10, 30 and 90-meter Riparian Buffer Zones USGS Topo Map Vector Data (Vector) 24412 Lake Drummond VA (published 20241201) FileGDB USGS Topo Map Vector Data (Vector) 24414 Lake Drummond SE VA (published 20241201) Shapefile USGS Topo Map Vector Data (Vector) 23233 Kempsville VA (published 20241130) Shapefile USGS Topo Map Vector Data (Vector) 23233 Kempsville VA (published 20241130) FileGDB USGS Topo Map Vector Data (Vector) 30991 Moyock NC (published 20241206) FileGDB USGS Topo Map Vector Data (Vector) 35649 Pleasant Ridge VA (published 20241129) FileGDB USGS US Topo 7.5-minute map for Bowers Hill, VA 2016 USGS US Topo 7.5-minute map for Creeds, VA-NC 2013 USGS US Topo 7.5-minute map for Creeds, VA-NC 2016 USGS US Topo 7.5-minute map for Fentress, VA 2016 USGS US Topo 7.5-minute map for Kempsville, VA 2013 USGS US Topo 7.5-minute map for Lake Drummond, VA-NC 2013 USGS US Topo 7.5-minute map for Pleasant Ridge, VA 2013 Data on Tree Growth and Plant Community Composition in Mid-Atlantic Tidal Freshwater Forested Wetlands USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02080208 (published 20231215) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 0301 (published 20231213) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) - Virginia (published 20231227) Shapefile USGS National Transportation Dataset (NTD) for Virginia (published 20240216) GeoPackage Chesapeake Bay Watershed 1:24k 10, 30 and 90-meter Riparian Buffer Zones USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20240111) FileGDB