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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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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 dataset contains the analytical results for environmental and quality-control replicate sample sets and the computed relative percent differences (RPD) greater than 25 percent for the data collected during the surface-water sampling for the Triangle Area Water Supply Monitoring Project. The data are from samples collected during October 2015 through September 2017. Several study sites contained in this dataset were sampled for other USGS projects during the same time frame. Unless the samples at these sites were collected in conjunction with the Triangle Area Water Supply Monitoring Project, the data for other projects are not included in the dataset.
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The dataset contains the analytical results for quality-control samples collected during the surface-water sampling for the Triangle Area Water Supply Monitoring Project. The data are sampling-vehicle (ambient) blanks and field blanks collected during October 2013 through September 2015. Several study sites contained in this dataset were sampled for other USGS projects during the same time frame. Unless the quality-control samples at these sites were collected in conjunction with the Triangle Area Water Supply Monitoring Project, the data for other projects are not included in the dataset.
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The dataset contains the environmental data collected for the Triangle Area Water Supply Monitoring Project. The data are from the samples collected during routine and storm-runoff sampling events during October 2013 through September 2015. Several study sites contained in this dataset were sampled for other USGS projects during the same time frame. Unless the samples at these sites were collected in conjunction with the Triangle Area Water Supply Monitoring Project, the data for other projects at these sites are not included in this dataset.
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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: 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, Alamance County, 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.
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The dataset contains the analytical results for quality-control samples collected during the surface-water sampling for the Triangle Area Water Supply Monitoring Project. The data are equipment blanks, sampling-vehicle (ambient) blanks, and field blanks collected during October 2015 through September 2017. Several study sites contained in this dataset were sampled for other USGS projects during the same time frame. Unless the quality-control samples at these sites were collected in conjunction with the Triangle Area Water Supply Monitoring Project, the data for other projects are not included in the dataset.
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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 Appendix 1. Water-quality data for surface-water samples collected from October 2013 through September 2015 at the Triangle Area Water Supply Monitoring Project study sites, North Carolina Appendix 2 - Analytical results for blanks collected from October 2013 through September 2015 during surface-water sampling at the Triangle Area Supply Monitoring Project study sites, North Carolina USGS Topo Map Vector Data (Vector) 9484 Cokesbury, North Carolina 20190914 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 17649 Goldston, North Carolina 20190913 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 28887 Merry Oaks, North Carolina 20190913 for 7.5 x 7.5 minute Shapefile USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20200828) USGS Topo Map Vector Data (Vector) 28718 Meldrim SW, Georgia 20200912 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 37845 Richmond Hill, Georgia 20200915 for 7.5 x 7.5 minute Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 03030003 (published 20200905) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 03030004 (published 20200904) USGS NED 1/3 arc-second Contours for Savannah W, Georgia 20200914 1 X 1 degree FileGDB 10.1 Analytical results for blanks collected during surface-water sampling at the Triangle Area Supply Monitoring Project study sites, North Carolina, October 2015 through September 2017 Analytical results for the environmental and replicate sample sets collected from October 2015 through September 2017 at the Triangle Area Water Supply Monitoring Project study sites, North Carolina USGS US Topo 7.5-minute map for New Hill, NC 2019 USGS US Topo 7.5-minute map for Limehouse, SC,GA 2020 USGS US Topo 7.5-minute map for Fort Pulaski, GA,SC 2020 USGS US Topo 7.5-minute map for Meldrim, GA 2020 USGS US Topo 7.5-minute map for Tybee Island South, GA 2020 USGS US Topo 7.5-minute map for Raccoon Key, GA 2020 USGS US Topo 7.5-minute map for Saint Catherines Sound, GA 2020 USGS Topo Map Vector Data (Vector) 9484 Cokesbury, North Carolina 20190914 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 17649 Goldston, North Carolina 20190913 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 28887 Merry Oaks, North Carolina 20190913 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 28718 Meldrim SW, Georgia 20200912 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 37845 Richmond Hill, Georgia 20200915 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for New Hill, NC 2019 USGS US Topo 7.5-minute map for Limehouse, SC,GA 2020 USGS US Topo 7.5-minute map for Fort Pulaski, GA,SC 2020 USGS US Topo 7.5-minute map for Meldrim, GA 2020 USGS US Topo 7.5-minute map for Tybee Island South, GA 2020 USGS US Topo 7.5-minute map for Raccoon Key, GA 2020 USGS US Topo 7.5-minute map for Saint Catherines Sound, GA 2020 Appendix 1. Water-quality data for surface-water samples collected from October 2013 through September 2015 at the Triangle Area Water Supply Monitoring Project study sites, North Carolina Appendix 2 - Analytical results for blanks collected from October 2013 through September 2015 during surface-water sampling at the Triangle Area Supply Monitoring Project study sites, North Carolina Analytical results for blanks collected during surface-water sampling at the Triangle Area Supply Monitoring Project study sites, North Carolina, October 2015 through September 2017 Analytical results for the environmental and replicate sample sets collected from October 2015 through September 2017 at the Triangle Area Water Supply Monitoring Project study sites, North Carolina USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 03030004 (published 20200904) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 03030003 (published 20200905) USGS NED 1/3 arc-second Contours for Savannah W, Georgia 20200914 1 X 1 degree FileGDB 10.1 USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 03 (published 20200828)