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The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal extent of surface water drainage to a point except in coastal or lake front areas where there could be multiple outlets as stated by the "Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD)" "Standard" (https://pubs.usgs.gov/tm/11/a3/). Watershed boundaries are determined solely upon science-based hydrologic principles, not favoring any administrative boundaries or special projects, nor particular program or agency. This dataset represents the hydrologic unit boundaries to the 12-digit (6th level)...
Tags: 10-digit, 12-digit, 14-digit, 16-digit, 2-digit, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Area of Complex Channels, Area to be submerged, Aurora, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Administrative watershed units, Administrative watershed units, Antelope, Area of Complex Channels, Area to be submerged, All tags...


map background search result map search result map USGS 1:24000-scale Quadrangle for Aurora, OH 1962 USGS 1:24000-scale Quadrangle for Aurora, MO 1974 USGS 1:250000-scale Quadrangle for Aurora, IL 1961 USGS 1:24000-scale Quadrangle for Aurora, IN 1953 USGS 1:24000-scale Quadrangle for Aurora, WV 1959 USGS 1:62500-scale Quadrangle for Aurora, MO 1942 USGS 1:62500-scale Quadrangle for Aurora, NV 1956 USGS 1:24000-scale Quadrangle for Aurora, NC 1950 USGS 1:24000-scale Quadrangle for Aurora, NC 1950 USGS 1:24000-scale Quadrangle for Aurora, UT 1966 USGS 1:24000-scale Quadrangle for Aurora, UT 1966 USGS 1:24000-scale Quadrangle for Aurora, MN 1962 USGS US Topo 7.5-minute map for Archer Hill, SD 2015 USGS US Topo 7.5-minute map for Cedar Grove Colony, SD 2015 USGS US Topo 7.5-minute map for Crow Lake, SD 2015 USGS US Topo 7.5-minute map for New Holland, SD 2015 USGS US Topo 7.5-minute map for Platte Lake, SD 2015 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 1016 (published 20231212) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 1017 (published 20231125) FileGDB USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 10 (published 20230726) GeoPackage USGS 1:24000-scale Quadrangle for Aurora, OH 1962 USGS 1:24000-scale Quadrangle for Aurora, MO 1974 USGS 1:24000-scale Quadrangle for Aurora, IN 1953 USGS 1:24000-scale Quadrangle for Aurora, WV 1959 USGS 1:24000-scale Quadrangle for Aurora, NC 1950 USGS 1:24000-scale Quadrangle for Aurora, NC 1950 USGS 1:24000-scale Quadrangle for Aurora, UT 1966 USGS 1:24000-scale Quadrangle for Aurora, UT 1966 USGS 1:24000-scale Quadrangle for Aurora, MN 1962 USGS US Topo 7.5-minute map for Archer Hill, SD 2015 USGS US Topo 7.5-minute map for Cedar Grove Colony, SD 2015 USGS US Topo 7.5-minute map for Crow Lake, SD 2015 USGS US Topo 7.5-minute map for New Holland, SD 2015 USGS US Topo 7.5-minute map for Platte Lake, SD 2015 USGS 1:62500-scale Quadrangle for Aurora, MO 1942 USGS 1:62500-scale Quadrangle for Aurora, NV 1956 USGS 1:250000-scale Quadrangle for Aurora, IL 1961 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 1017 (published 20231125) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 1016 (published 20231212) Shapefile USGS Watershed Boundary Dataset (WBD) for 2-digit Hydrologic Unit - 10 (published 20230726) GeoPackage