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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, 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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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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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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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 County, Administrative watershed units, Administrative watershed units, Allegany County, Allegany 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.


map background search result map search result map USGS Topo Map Vector Data (Vector) 1699 Ashville, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4353 Blandburg, Pennsylvania 20190919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16276 Frankstown, Pennsylvania 20190921 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45234 Tipton, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20736 Hollidaysburg, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20980 Hopewell, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27896 Martinsburg, Pennsylvania 20190926 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38104 Roaring Spring, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 46240 Tyrone, Pennsylvania 20190920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 49171 Williamsburg, Pennsylvania 20190920 for 7.5 x 7.5 minute FileGDB 10.1 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050302 (published 20210708) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050303 (published 20210704) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050303 (published 20210704) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 05010007 (published 20210705) USGS NED 1/3 arc-second Contours for Pittsburgh E, Pennsylvania 20190923 1 X 1 degree Shapefile NHD 20200616 for Pennsylvania State or Territory FileGDB 10.1 Model Version 2.2.1 USGS US Topo 7.5-minute map for Entriken, PA 2019 USGS US Topo 7.5-minute map for Hopewell, PA 2019 USGS US Topo 7.5-minute map for New Enterprise, PA 2019 USGS US Topo 7.5-minute map for Williamsburg, PA 2019 USGS Topo Map Vector Data (Vector) 1699 Ashville, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4353 Blandburg, Pennsylvania 20190919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16276 Frankstown, Pennsylvania 20190921 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45234 Tipton, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20736 Hollidaysburg, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20980 Hopewell, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27896 Martinsburg, Pennsylvania 20190926 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38104 Roaring Spring, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 46240 Tyrone, Pennsylvania 20190920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 49171 Williamsburg, Pennsylvania 20190920 for 7.5 x 7.5 minute FileGDB 10.1 USGS US Topo 7.5-minute map for Entriken, PA 2019 USGS US Topo 7.5-minute map for Hopewell, PA 2019 USGS US Topo 7.5-minute map for New Enterprise, PA 2019 USGS US Topo 7.5-minute map for Williamsburg, PA 2019 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050302 (published 20210708) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050303 (published 20210704) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050303 (published 20210704) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 05010007 (published 20210705) USGS NED 1/3 arc-second Contours for Pittsburgh E, Pennsylvania 20190923 1 X 1 degree Shapefile NHD 20200616 for Pennsylvania State or Territory FileGDB 10.1 Model Version 2.2.1