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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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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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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...


map background search result map search result map Elevation Contours, Cannonsville Reservoir, 2015 Elevation-area-capacity table, Cannonsville Reservoir, 2015 Echosounder Points, Schoharie Reservoir, 2014 Elevation-area-capacity table, Schoharie Reservoir, 2014 Elevation Raster, Cannonsville Reservoir, 2015 USGS Topo Map Vector Data (Vector) 70178 Gilman IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 29723 Modoc IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 16928 Gas City IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 19509 Hartford City West IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 16945 Gaston IN (published 20221104) Shapefile USGS Topo Map Vector Data (Vector) 70621 Lake Eucha East OK Shapefile USGS Topo Map Vector Data (Vector) 24424 Lake Eucha West OK FileGDB USGS Topo Map Vector Data (Vector) 24424 Lake Eucha West OK Shapefile USGS Topo Map Vector Data (Vector) 20996 Hopkinton East, Iowa 20220430 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20997 Hopkinton West, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27410 Manchester, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39453 Salina SE OK FileGDB USGS Topo Map Vector Data (Vector) 39453 Salina SE OK Shapefile USGS Topo Map Vector Data (Vector) 34864 Petersburg, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 44970 Thorpe, Iowa 20220429 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 70178 Gilman IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 29723 Modoc IN (published 20221103) FileGDB USGS Topo Map Vector Data (Vector) 16928 Gas City IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 19509 Hartford City West IN (published 20221104) FileGDB USGS Topo Map Vector Data (Vector) 16945 Gaston IN (published 20221104) Shapefile USGS Topo Map Vector Data (Vector) 70621 Lake Eucha East OK Shapefile USGS Topo Map Vector Data (Vector) 24424 Lake Eucha West OK FileGDB USGS Topo Map Vector Data (Vector) 24424 Lake Eucha West OK Shapefile USGS Topo Map Vector Data (Vector) 20996 Hopkinton East, Iowa 20220430 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20997 Hopkinton West, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27410 Manchester, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 39453 Salina SE OK FileGDB USGS Topo Map Vector Data (Vector) 39453 Salina SE OK Shapefile USGS Topo Map Vector Data (Vector) 34864 Petersburg, Iowa 20220429 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 44970 Thorpe, Iowa 20220429 for 7.5 x 7.5 minute FileGDB 10.1 Elevation-area-capacity table, Cannonsville Reservoir, 2015 Elevation Contours, Cannonsville Reservoir, 2015 Elevation Raster, Cannonsville Reservoir, 2015