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The collection of borehole geophysical logs and images and continuous water-level data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the GMH Electronics Superfund site near Roxboro, North Carolina, during December 2012 through July 2015. The study purpose was part of a continued effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants. Previous work by the U.S. Geological Survey South Atlantic Water Science Center at the site involved similar data collection, in addition to surface geologic mapping and passive diffusion...
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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 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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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 County, Adams County, Administrative watershed units, Administrative watershed units, Alamance County, All tags...
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The collection of borehole geophysical logs and images and continuous water-level data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the GMH Electronics Superfund site near Roxboro, North Carolina, during December 2012 through July 2015. The study purpose was part of a continued effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants. Previous work by the U.S. Geological Survey South Atlantic Water Science Center at the site involved similar data collection, in addition to surface geologic mapping and passive diffusion...
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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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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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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 Caliper, electric, fluid, and flow logs for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Water level data during pumping for stressed HPFM measurements for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) USGS Topo Map Vector Data (Vector) 21553 Hurdle Mills NC (published 20221018) FileGDB USGS Topo Map Vector Data (Vector) 21553 Hurdle Mills NC (published 20221018) Shapefile USGS Topo Map Vector Data (Vector) 9295 Cluster Springs VA (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 24552 Lake Michie NC (published 20221018) Shapefile USGS Topo Map Vector Data (Vector) 25245 Leasburg NC (published 20221018) Shapefile USGS Topo Map Vector Data (Vector) 30238 Moriah NC (published 20221018) FileGDB USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20221206) FileGDB USGS US Topo 7.5-minute map for Lake Michie, NC 2019 USGS US Topo 7.5-minute map for Leasburg, NC 2019 USGS US Topo 7.5-minute map for Ridgeville, NC 2019 USGS US Topo 7.5-minute map for Rougemont, NC 2019 USGS National Hydrography Dataset Best Resolution (NHD) - Virginia (published 20230109) Shapefile US Topo 7.5-minute map for Leasburg, NC US Topo 7.5-minute map for Timberlake, NC US Topo 7.5-minute map for Milton, NC,VA US Topo 7.5-minute map for Alton, VA,NC USGS NED 1/3 arc-second Contours for Greensboro W, North Carolina 1 x 1 degree (published 20221018) GeoPackage USGS Topo Map Vector Data (Vector) 33149 Olive Hill NC (published 20221018) GeoPackage USGS Topo Map Vector Data (Vector) 21553 Hurdle Mills NC (published 20221018) FileGDB USGS Topo Map Vector Data (Vector) 21553 Hurdle Mills NC (published 20221018) Shapefile USGS Topo Map Vector Data (Vector) 9295 Cluster Springs VA (published 20221019) Shapefile USGS Topo Map Vector Data (Vector) 24552 Lake Michie NC (published 20221018) Shapefile USGS Topo Map Vector Data (Vector) 25245 Leasburg NC (published 20221018) Shapefile USGS Topo Map Vector Data (Vector) 30238 Moriah NC (published 20221018) FileGDB USGS US Topo 7.5-minute map for Lake Michie, NC 2019 USGS US Topo 7.5-minute map for Leasburg, NC 2019 USGS US Topo 7.5-minute map for Ridgeville, NC 2019 USGS US Topo 7.5-minute map for Rougemont, NC 2019 US Topo 7.5-minute map for Leasburg, NC US Topo 7.5-minute map for Timberlake, NC US Topo 7.5-minute map for Milton, NC,VA US Topo 7.5-minute map for Alton, VA,NC USGS Topo Map Vector Data (Vector) 33149 Olive Hill NC (published 20221018) GeoPackage Water level data during pumping for stressed HPFM measurements for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Caliper, electric, fluid, and flow logs for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) USGS NED 1/3 arc-second Contours for Greensboro W, North Carolina 1 x 1 degree (published 20221018) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) - Virginia (published 20230109) Shapefile USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20221206) FileGDB