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Background and Problem Prattsville has experienced severe flooding along the Schoharie Creek, most notably during August 2011 following Hurricane Irene, which severely damaged or destroyed large areas of the town, and caused several million dollars in damages (Figure 1). Before and during a flood, forewarning and emergency response are critical. The rescue efforts of emergency responders are often hampered by lack of an understanding of where flooding is occurring at any given moment, but also where flooding is likely to occur in the near future. Emergency responders would benefit from a library of flood-inundation maps that are referenced to the stages recorded at the U.S. Geological Survey (USGS) streamgage in...
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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...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: AL, Administrative watershed units, Alabama, Alcorn County, Area of Complex Channels, 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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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.
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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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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 Flood-Inundation Maps for the Schoharie Creek at Prattsville, New York USGS National Hydrography Dataset (NHD) Best Resolution for Alabama 20160411 State or Territory FileGDB 10.1 - Flowlines USGS Topo Map Vector Data (Vector) 7877 Cedarville, Ohio 20200226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14792 Fairborn, Ohio 20200225 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47851 Waynesville, Ohio 20200225 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22413 Jasonville, Indiana 20190704 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23940 Koleen, Indiana 20190704 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39788 Sandborn, Indiana 20190704 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17503 Glidden, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 50016 Yale, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Ebenezer, MO 2017 USGS US Topo 7.5-minute map for Ozark, MO 2017 USGS US Topo 7.5-minute map for Strafford, MO 2017 USGS NED 1/3 arc-second Contours for Indianapolis W, Indiana 20190624 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Johnson City E, Tennessee 20190624 1 X 1 degree Shapefile USGS US Topo 7.5-minute map for State Line, MS,AL 2018 USGS US Topo 7.5-minute map for Greystone, TN,NC 2019 USGS US Topo 7.5-minute map for Owensburg, IN 2019 USGS US Topo 7.5-minute map for Cameron, WV,PA 2019 USGS US Topo 7.5-minute map for Hundred, WV,PA 2019 Flood-Inundation Maps for the Schoharie Creek at Prattsville, New York USGS Topo Map Vector Data (Vector) 7877 Cedarville, Ohio 20200226 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14792 Fairborn, Ohio 20200225 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47851 Waynesville, Ohio 20200225 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22413 Jasonville, Indiana 20190704 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23940 Koleen, Indiana 20190704 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39788 Sandborn, Indiana 20190704 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17503 Glidden, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 50016 Yale, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS US Topo 7.5-minute map for Ebenezer, MO 2017 USGS US Topo 7.5-minute map for Ozark, MO 2017 USGS US Topo 7.5-minute map for Strafford, MO 2017 USGS US Topo 7.5-minute map for State Line, MS,AL 2018 USGS US Topo 7.5-minute map for Greystone, TN,NC 2019 USGS US Topo 7.5-minute map for Owensburg, IN 2019 USGS US Topo 7.5-minute map for Cameron, WV,PA 2019 USGS US Topo 7.5-minute map for Hundred, WV,PA 2019 USGS NED 1/3 arc-second Contours for Indianapolis W, Indiana 20190624 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Johnson City E, Tennessee 20190624 1 X 1 degree Shapefile USGS National Hydrography Dataset (NHD) Best Resolution for Alabama 20160411 State or Territory FileGDB 10.1 - Flowlines