![]() ![]() This service is also available as a WMTS. It draws more quickly and is more reliable than the dynamic layers, but is updated less frequently and does not provide access to attributes nor the ability to change the style in other applications. It is useful for adding hydrography over other map layers down to 1: 9,0. Hydrography - Cached (Tiled): This nationwide cached overlay uses a variety of hydrography layers and depicts them in standard USGS Topographic Map symbology. NHDPlus HR raster data files are available for download as zipped (.Ĭarlson Survey As the number one office solution for surveyors in the U.S., the Carlson Survey 2017 release continues its development of survey features based on.Īlso, an extract containing only streamgages and dams is available. ![]() NHDPlus HR Beta vector data is available in file geodatabase (GDB) format, zipped (. The NHDPlus HR data includes both vector and raster components for each geographic area mapped. Please see the NHDPlus High Resolution (NHDPlus HR) page for more information about this building process, to find out the current availability by Hydrologic Region, and to learn about participating in reviews of the Beta version data. All NHD downloads contain a copy of the corresponding WBD dataset that is current only to the date the NHD dataset was created.Ī Download Manager application also is available for conveniently managing downloads of multiple datasets. ![]() ![]() The copies are current only to the date the NHDPlus HR was created. All NHDPlus HR downloads contain a copy of the NHD and WBD datasets used to create the the NHDPlus HR. The NHDPlus High Resolution (NHDPlus HR), National Hydrography Dataset (NHD), and Watershed Boundary Dataset (WBD) are available for download and as map services. Geological Survey - National Hydrography Dataset. ![]()
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