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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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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 High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the National Hydrography Dataset (NHD), National Watershed Boundary Dataset (WBD), and 3D Elevation Program Digital Elevation Model (3DEP DEM). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to a data suite that includes the NHD stream network with linear referencing functionality, the WBD hydrologic units, elevation-derived catchment areas for each stream segment, "value added attributes" (VAAs), and other features that enhance hydrologic data analysis and routing.
Tags: 4-digit hydrologic unit, Anderson County, Ashe County, Avery County, Bell County, All tags...
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.
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Layered geospatial PDF 7.5 Minute Quadrangle Map. Layers of geospatial data include orthoimagery, roads, grids, geographic names, elevation contours, hydrography, and other selected map features. This map is derived from GIS (geospatial information system) data. It represents a repackaging of GIS data in traditional map form, not creation of new information. The geospatial data in this map are from selected National Map data holdings and other government sources.


map background search result map search result map USGS Topo Map Vector Data (Vector) 3540 Bethel Valley TN (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 20000 Heidrick KY (published 20221103) Shapefile USGS Topo Map Vector Data (Vector) 46946 Vincennes IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 10074 Corbin KY (published 20221103) Shapefile USGS Topo Map Vector Data (Vector) 21985 Iona IN (published 20221103) Shapefile USGS Topo Map Vector Data (Vector) 49087 Wildwood TN (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 18217 Graveston TN (published 20221019) Shapefile USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for Hydrological Unit (HU) 4 - 0601 (published 20220419) USGS US Topo 7.5-minute map for Chesterville, OH 2019 USGS US Topo 7.5-minute map for Homer, OH 2019 USGS US Topo 7.5-minute map for Perryton, OH 2019 Pond Creek Coal Zone Original Resources by County in Kentucky, West Virginia, and Virginia USGS NED 1/3 arc-second Contours for Corbin E, Kentucky 1 x 1 degree (published 20221104) GeoPackage USGS Topo Map Vector Data (Vector) 5142 Boyds Creek TN (published 20221019) GeoPackage USGS Topo Map Vector Data (Vector) 26719 Louisville TN (published 20221019) GeoPackage USGS Topo Map Vector Data (Vector) 4267 Blackwater KY (published 20221103) GeoPackage USGS Topo Map Vector Data (Vector) 40143 Scalf KY (published 20221103) GeoPackage USGS Topo Map Vector Data (Vector) 21985 Iona IN (published 20221103) GeoPackage USGS NED 1/3 arc-second Contours for Vincennes W, Indiana 1 x 1 degree (published 20221104) GeoPackage USGS Topo Map Vector Data (Vector) 3540 Bethel Valley TN (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 20000 Heidrick KY (published 20221103) Shapefile USGS Topo Map Vector Data (Vector) 46946 Vincennes IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 10074 Corbin KY (published 20221103) Shapefile USGS Topo Map Vector Data (Vector) 21985 Iona IN (published 20221103) Shapefile USGS Topo Map Vector Data (Vector) 49087 Wildwood TN (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 18217 Graveston TN (published 20221019) Shapefile USGS US Topo 7.5-minute map for Chesterville, OH 2019 USGS US Topo 7.5-minute map for Homer, OH 2019 USGS US Topo 7.5-minute map for Perryton, OH 2019 USGS Topo Map Vector Data (Vector) 5142 Boyds Creek TN (published 20221019) GeoPackage USGS Topo Map Vector Data (Vector) 26719 Louisville TN (published 20221019) GeoPackage USGS Topo Map Vector Data (Vector) 4267 Blackwater KY (published 20221103) GeoPackage USGS Topo Map Vector Data (Vector) 40143 Scalf KY (published 20221103) GeoPackage USGS Topo Map Vector Data (Vector) 21985 Iona IN (published 20221103) GeoPackage USGS NED 1/3 arc-second Contours for Corbin E, Kentucky 1 x 1 degree (published 20221104) GeoPackage USGS NED 1/3 arc-second Contours for Vincennes W, Indiana 1 x 1 degree (published 20221104) GeoPackage Pond Creek Coal Zone Original Resources by County in Kentucky, West Virginia, and Virginia USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for Hydrological Unit (HU) 4 - 0601 (published 20220419)