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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.
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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, Alexandria, Area of Complex Channels, Area to be submerged, All tags...
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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Layered GeoPDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features.
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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, 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) 3315 Benedict MD (published 20231222) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02070010 (published 20231215) FileGDB USGS NED 1/3 arc-second Contours for Washington W, Maryland 1 x 1 degree (published 20240112) Shapefile USGS 1:24000-scale Quadrangle for Charles, MI 1964 USGS US Topo 7.5-minute map for Colonial Beach North, VA-MD 2013 USGS US Topo 7.5-minute map for Dahlgren, VA-MD 2011 USGS US Topo 7.5-minute map for Mount Vernon, VA-MD 2011 USGS US Topo 7.5-minute map for Quantico, VA-MD 2011 USGS US Topo 7.5-minute map for Stratford Hall, VA-MD 2013 USGS US Topo 7.5-minute map for Benedict, MD 2016 USGS US Topo 7.5-minute map for Brandywine, MD 2014 USGS US Topo 7.5-minute map for Charlotte Hall, MD 2016 USGS US Topo 7.5-minute map for Hughesville, MD 2011 USGS US Topo 7.5-minute map for Hughesville, MD 2016 USGS US Topo 7.5-minute map for Indian Head, MD-VA 2014 USGS US Topo 7.5-minute map for La Plata, MD 2014 USGS US Topo 7.5-minute map for Rock Point, MD 2016 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02070011 (published 20231215) GeoPackage USGS NED 1/3 arc-second Contours for Washington W, Maryland 1 x 1 degree (published 20240112) GeoPackage USGS Topo Map Vector Data (Vector) 5280 Brandywine MD (published 20231222) GeoPackage USGS Topo Map Vector Data (Vector) 3315 Benedict MD (published 20231222) Shapefile USGS 1:24000-scale Quadrangle for Charles, MI 1964 USGS US Topo 7.5-minute map for Colonial Beach North, VA-MD 2013 USGS US Topo 7.5-minute map for Dahlgren, VA-MD 2011 USGS US Topo 7.5-minute map for Mount Vernon, VA-MD 2011 USGS US Topo 7.5-minute map for Quantico, VA-MD 2011 USGS US Topo 7.5-minute map for Stratford Hall, VA-MD 2013 USGS US Topo 7.5-minute map for Benedict, MD 2016 USGS US Topo 7.5-minute map for Brandywine, MD 2014 USGS US Topo 7.5-minute map for Charlotte Hall, MD 2016 USGS US Topo 7.5-minute map for Hughesville, MD 2011 USGS US Topo 7.5-minute map for Hughesville, MD 2016 USGS US Topo 7.5-minute map for Indian Head, MD-VA 2014 USGS US Topo 7.5-minute map for La Plata, MD 2014 USGS US Topo 7.5-minute map for Rock Point, MD 2016 USGS Topo Map Vector Data (Vector) 5280 Brandywine MD (published 20231222) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02070010 (published 20231215) FileGDB USGS NED 1/3 arc-second Contours for Washington W, Maryland 1 x 1 degree (published 20240112) Shapefile USGS NED 1/3 arc-second Contours for Washington W, Maryland 1 x 1 degree (published 20240112) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 02070011 (published 20231215) GeoPackage