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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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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.


map background search result map search result map USGS Topo Map Vector Data (Vector) 14153 Ellsworth, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14153 Ellsworth, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31827 New Preston, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31806 New Milford, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31827 New Preston, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 38819 Roxbury, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40785 Sharon, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 42161 South Canaan, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38819 Roxbury, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45458 Torrington, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 2552 Bash Bish Falls, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 25894 Litchfield, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25894 Litchfield, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31730 New Hartford, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 45335 Tolland Center, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 45335 Tolland Center, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS NED 1/3 arc-second Contours for Hartford E, Connecticut 20180717 1 X 1 degree Shapefile USGS NED 1/3 arc-second Contours for Hartford W, Connecticut 20180717 1 X 1 degree FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32259 Norfolk, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0108 (published 20180420) USGS Topo Map Vector Data (Vector) 14153 Ellsworth, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 14153 Ellsworth, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31827 New Preston, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31806 New Milford, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31827 New Preston, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 38819 Roxbury, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40785 Sharon, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 42161 South Canaan, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 38819 Roxbury, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 45458 Torrington, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 2552 Bash Bish Falls, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 25894 Litchfield, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 25894 Litchfield, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31730 New Hartford, Connecticut 20180803 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 45335 Tolland Center, Massachusetts 20180724 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 45335 Tolland Center, Massachusetts 20180724 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32259 Norfolk, Connecticut 20180803 for 7.5 x 7.5 minute Shapefile USGS NED 1/3 arc-second Contours for Hartford E, Connecticut 20180717 1 X 1 degree Shapefile USGS NED 1/3 arc-second Contours for Hartford W, Connecticut 20180717 1 X 1 degree FileGDB 10.1 USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0108 (published 20180420)