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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the best available National Hydrography Dataset (NHD), the 10-meter 3D Elevation Program Digital Elevation Model (3DEP DEM), and the National Watershed Boundary Dataset (WBD). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to create a stream network with linear referencing, feature naming, "value added attributes" (VAAs), elevation-derived catchments, and other features for hydrologic data analysis. The stream network with linear referencing is a system of data relationships applied to hydrographic systems so that one stream reach "flows" into another and "events" can be tied to and traced...
Tags: AddisonCounty, BenningtonCounty, BerkshireCounty, CaledoniaCounty, CarrollCounty, All tags...
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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated set of geospatial data layers, including the best available National Hydrography Dataset (NHD), the 10-meter 3D Elevation Program Digital Elevation Model (3DEP DEM), and the National Watershed Boundary Dataset (WBD). The NHDPlus HR combines the NHD, 3DEP DEMs, and WBD to create a stream network with linear referencing, feature naming, "value added attributes" (VAAs), elevation-derived catchments, and other features for hydrologic data analysis. The stream network with linear referencing is a system of data relationships applied to hydrographic systems so that one stream reach "flows" into another and "events" can be tied to and traced...
Tags: AccomackCounty, AlbemarleCounty, AlleghanyCounty, AmeliaCounty, AmherstCounty, 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.


map background search result map search result map USGS Topo Map Vector Data (Vector) 28835 Meriden, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29123 Middletown, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 30064 Moodus, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 1630 Ashburnham, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 1630 Ashburnham, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 9812 Concord, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16204 Framingham, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 72686 Hudson, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 25140 Lawrence, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25590 Lexington, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 28148 Maynard, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29256 Milford, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32015 Newton, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41213 Shrewsbury, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41213 Shrewsbury, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 48409 Westford, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 49293 Wilmington, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS NED 1/3 arc-second Contours for Hartford E, Connecticut 20180717 1 X 1 degree Shapefile USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0108 (published 20180420) USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0208 (published 20180419) USGS Topo Map Vector Data (Vector) 28835 Meriden, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29123 Middletown, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 30064 Moodus, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 1630 Ashburnham, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 1630 Ashburnham, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 9812 Concord, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16204 Framingham, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 72686 Hudson, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 25140 Lawrence, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25590 Lexington, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 28148 Maynard, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29256 Milford, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32015 Newton, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41213 Shrewsbury, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 41213 Shrewsbury, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 48409 Westford, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 49293 Wilmington, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS NED 1/3 arc-second Contours for Hartford E, Connecticut 20180717 1 X 1 degree Shapefile USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0108 (published 20180420) USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0208 (published 20180419)