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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: Anne Arundel County, Baltimore County, Baltimore County, Calvert County, Caroline County, All tags...
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Layers of geospatial data include contours, boundaries, land cover, hydrography, roads, transportation, geographic names, structures, and other selected map features.


map background search result map search result map USGS Combined Vector for Burnham, Pennsylvania 20160729 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 27419 Manchester, Maryland 20170222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Parker, Pennsylvania 20160730 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Coolspring, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Dutch Mountain, Pennsylvania 20160817 7.5 x 7.5 minute Shapefile USGS Combined Vector for Grove City, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Montoursville South, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Baltimore, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Castle North, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Florence, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Murrysville, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Nanty Glo, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Nuremberg, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Waymart, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for West Middletown, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Wallaceton, Pennsylvania 20160729 7.5 x 7.5 minute Shapefile USGS 1:24000-scale Quadrangle for Grantville, PA 1969 USGS 1:24000-scale Quadrangle for Hershey, PA 1969 USGS 1:24000-scale Quadrangle for Kirkwood, PA 1955 USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0206 (published 20180813) USGS Combined Vector for Burnham, Pennsylvania 20160729 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 27419 Manchester, Maryland 20170222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Parker, Pennsylvania 20160730 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Coolspring, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Dutch Mountain, Pennsylvania 20160817 7.5 x 7.5 minute Shapefile USGS Combined Vector for Grove City, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Montoursville South, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Baltimore, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Castle North, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Florence, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Murrysville, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Nanty Glo, Pennsylvania 20160801 7.5 x 7.5 minute Shapefile USGS Combined Vector for Nuremberg, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Waymart, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for West Middletown, Pennsylvania 20160801 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Wallaceton, Pennsylvania 20160729 7.5 x 7.5 minute Shapefile USGS 1:24000-scale Quadrangle for Grantville, PA 1969 USGS 1:24000-scale Quadrangle for Hershey, PA 1969 USGS 1:24000-scale Quadrangle for Kirkwood, PA 1955 USGS National Hydrography Dataset Plus High Resolution (NHDPlus HR) for 4-digit Hydrologic Unit - 0206 (published 20180813)