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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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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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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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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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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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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...
thumbnail
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) 2435 Barnes City, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19983 Hedrick, Iowa 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23383 Keota, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 23383 Keota, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 48519 What Cheer, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11710 Deep River, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29359 Millersburg, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32359 North English, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32359 North English, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33167 Ollie, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 33167 Ollie, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41317 Sigourney, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41317 Sigourney, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 07080107 (published 20190909) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 07080209 (published 20190810) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 07080209 (published 20190810) USGS NED 1/3 arc-second Contours for Des Moines E, Iowa 20181121 1 X 1 degree Shapefile USGS US Topo 7.5-minute map for Kinross, IA 2018 USGS US Topo 7.5-minute map for Sigourney, IA 2018 USGS US Topo 7.5-minute map for Millersburg, IA 2018 USGS Topo Map Vector Data (Vector) 2435 Barnes City, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19983 Hedrick, Iowa 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23383 Keota, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 23383 Keota, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 48519 What Cheer, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11710 Deep River, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29359 Millersburg, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32359 North English, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32359 North English, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33167 Ollie, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 33167 Ollie, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 41317 Sigourney, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41317 Sigourney, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Kinross, IA 2018 USGS US Topo 7.5-minute map for Sigourney, IA 2018 USGS US Topo 7.5-minute map for Millersburg, IA 2018 USGS NED 1/3 arc-second Contours for Des Moines E, Iowa 20181121 1 X 1 degree Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 07080107 (published 20190909) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 07080209 (published 20190810) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 07080209 (published 20190810)