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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: Addison County, Administrative watershed units, Administrative watershed units, Albany County, Allegany County, All tags...
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From 2013 to 2015, bathymetric surveys of New York City’s six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined intervals for each reservoir. A separate set of echo sounder data was collected along transects at oblique angles to the main transects for accuracy assessment. Field survey data was combined with water-surface elevations in a geographic information system to create three-dimensional surfaces representing reservoir-bed elevations in the...
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From 2013 to 2015, bathymetric surveys of New York City’s six West of Hudson reservoirs (Ashokan, Cannonsville, Neversink, Pepacton, Rondout, and Schoharie) were performed to provide updated capacity tables and bathymetric maps. Depths were surveyed with a single-beam echo sounder and real-time kinematic global positioning system (RTK-GPS) along planned transects at predetermined intervals for each reservoir. A separate set of echo sounder data was collected along transects at oblique angles to the main transects for accuracy assessment. Field survey data was combined with water-surface elevations in a geographic information system to create three-dimensional surfaces representing reservoir-bed elevations in the...
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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: Adams County, Administrative watershed units, Administrative watershed units, Allegany County, Allegany County, 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...


map background search result map search result map EA1003 Acentrella lat ant EA1003 Acentrella dor ant EA1003 Acentrella lateral EA1003 Acentrella wing vent ant Echosounder Points, Schoharie Reservoir, 2014 Elevation-area-capacity table, Schoharie Reservoir, 2014 USGS Topo Map Vector Data (Vector) 1648 Ashland, New York 20191119 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7292 Carlisle, New York 20191119 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 13134 Durham, New York 20191119 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 29104 Middleburgh, New York 20191118 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 37856 Richmondville, New York 20191119 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 43750 Summit, New York 20191118 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 43750 Summit, New York 20191118 for 7.5 x 7.5 minute Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02040101 (published 20200418) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050101 (published 20200504) NHD 20191016 for New York State or Territory Shapefile Model Version 2.2.1 NHD 20200416 for Pennsylvania State or Territory FileGDB 10.1 Model Version 2.2.1 USGS US Topo 7.5-minute map for Ashland, NY 2019 USGS US Topo 7.5-minute map for Carlisle, NY 2019 USGS US Topo 7.5-minute map for Schoharie, NY 2019 USGS Topo Map Vector Data (Vector) 1648 Ashland, New York 20191119 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7292 Carlisle, New York 20191119 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 13134 Durham, New York 20191119 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 29104 Middleburgh, New York 20191118 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 37856 Richmondville, New York 20191119 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 43750 Summit, New York 20191118 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 43750 Summit, New York 20191118 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Ashland, NY 2019 USGS US Topo 7.5-minute map for Carlisle, NY 2019 USGS US Topo 7.5-minute map for Schoharie, NY 2019 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02040101 (published 20200418) USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 8 - 02050101 (published 20200504) NHD 20200416 for Pennsylvania State or Territory FileGDB 10.1 Model Version 2.2.1 NHD 20191016 for New York State or Territory Shapefile Model Version 2.2.1