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Search for "Hydrologic Units" - The top results (relevance sort) are listed below:

	21 Results beginning with... WBD Hydrologic Unit 10 WBD Hydrologic Unit 12 2010 Census Tracts
$\"ArcGIS$	Esri Maps & Data Group (Recommended for Layer Package downloads) 0 Results All ArcGIS Online content 4223 Results beginning with... 14 Digit Hydrologic Unit Code Delineations for New Jersey 11 Digit Hydrologic Unit Code delineations for New Jersey Ky 8 10 and 12 Digit Hydrologic Units
$\"data.gov\"$	463 Results beginning with... USGS Water-Quality Data for the Nation - National Water Information System (NWIS) Watershed Boundary Dataset (WBD) - USGS National Map Downloadable Data Collection National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection

NCSU Data Collection

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Aquifers, Arsenic, Bodies Of Water, Dams, Drainage Areas, Glaciers, Groundwater, Ground Water Climate Response Network, Habitat Restorations, Hydrography, Hydrology, Inland Waters, Local Government, National Atlas, Planning, River Basins, River Sub-basins, River Subbasin, Sea Ice, States, Streamflow, Streams, Surface Hydrography, Surface Water Sampling Sites, Targeted Watersheds, Watersheds, Water Use Statistics, Wetlands, Wetlands Restoration

Important

Legacy denotes outdated data. A more recent version likely exists. Consider an "External Data Source" option linked above, or click the Collection link for updated source options.

Title	Date	Collection	Extent	Scale
Local Watershed Plans - EEP Legacy	2006	NC OneMap - 3/12/2007	North Carolina	1:24000
Targeted Local Watersheds - EEP Legacy	2006	NC OneMap - 3/12/2007	North Carolina	1:24000
Ecosystem Enhancement Program Targeted Local Watersheds Legacy	2005	NC OneMap - 3/25/2008	North Carolina	1:24,000
Ecosystem Enhancement Program Local Watershed Plans Legacy	2005	NC OneMap - 3/25/2008	North Carolina	1:24,000
CGIA: 14 digit hydrologic units Legacy	2004	BasinPro 8	North Carolina	1:24,000
CGIA: River basins Legacy	2004	BasinPro 8	North Carolina	1:24,000
CGIA: Subbasins Legacy	2004	BasinPro 8	North Carolina	1:24,000
CGIA: Priority wetland subbasins Legacy	2004	BasinPro 8	North Carolina	1:24,000
CGIA: Wetland Restoration Program: Targeted local watersheds Legacy	2004	BasinPro 8	North Carolina	1:24,000
Hydrologic Units - Line Legacy	1998	NC OneMap - 3/12/2007	North Carolina	1:24000
Hydrologic Units - Polygon Legacy	1998	NC OneMap - 3/12/2007	North Carolina	1:24000
Hydrologic Units - River Basins Legacy	1998	NC OneMap - 3/12/2007	North Carolina	1:24000
Hydrologic Units - Sub Basins Legacy	1998	NC OneMap - 3/12/2007	North Carolina	1:24000
CGIA: Hydrologic Units Legacy	1994	CGIA	North Carolina	1:24,000
CGIA: Hydrologic Units: Riverbasins Legacy	1994	CGIA	North Carolina	1:24,000
CGIA: Hydrologic Units: Subbasins Legacy	1994	CGIA	North Carolina	1:24,000
EPA BASINS: Hydrologic Unit Boundaries of the Conterminous United States Legacy	1998	EPA BASINS	Conterminous United States	1:250,000
Hydrologic Units (1:250,000) Legacy	1994		United States	1:250,000
CMAP: Hydrologic Units of the Conterminous U.S. (1:250,000) Legacy	1994	C-MAP	Conterminous United States	1:250,000
National Atlas: Water Data	Dates Vary	National Atlas	United States	Varies
NRCS: 8 Digit Hydrologic Unit Boundaries for the Conterminous United States Legacy	1994	State of the Land	United States	1:2,000,000
NRCS: 8 Digit Hydrologic Unit and State Boundaries for the Conterminous United States Legacy	1994	State of the Land	United States	1:2,000,000
Geochemical Atlas: Hydrologic Units Legacy	1998	National Geochemical Atlas	Conterminous United States	1:5,000,000

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