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External Data Sources
   Search for "Hydrologic Units" - The top results (relevance sort) are listed below:
\"ArcGIS236 Results beginning with...
  • Hydrologic unit boundary layer (12-digit) for Illinois Valley Landscape Assessment (Data Basin Dataset)
  • World Hydro Reference Overlay Hydrologic Units
  • Hydrologic Unit Boundaries, 6th level (HUC6) - Washington (Data Basin Dataset)

  • \"geo.data.gov\"213 Results beginning with...
  • FEMA National Flood Hazard Layer - Web Map Service (WMS)
  • Tillage Practices in the Conterminous United States, 1989-2004--Datasets by Aggregated Watershed; ds573_tillage_lu01
  • EnviroAtlas - Fruit and vegetable crops for the Conterminous United States

  • \"WeoGeo0 Results
       US Government Maintained Portal:  GeoPlatform.gov
       Other Data Sources, incl. Commercial and International: NSGIC GIS Inventory  |  CIESIN World Data Center

    NCSU Data Collection

    [ Hide ] Possible Related Terms:
    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

    TitleDateSorted in Descending OrderCollectionExtentScaleMD
    National Atlas: Water DataDates Vary National AtlasUnited States Varies Metadata Link
    Local Watershed Plans - EEP2006 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Targeted Local Watersheds - EEP2006 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Ecosystem Enhancement Program Targeted Local Watersheds2005 NC OneMap - 3/25/2008North Carolina 1:24,000 Metadata Link
    Ecosystem Enhancement Program Local Watershed Plans2005 NC OneMap - 3/25/2008North Carolina 1:24,000 Metadata Link
    CGIA: 14 digit hydrologic units2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: River basins2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: Subbasins2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: Priority wetland subbasins2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: Wetland Restoration Program: Targeted local watersheds2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    Hydrologic Units - Line1998 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Hydrologic Units - Polygon1998 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Hydrologic Units - River Basins1998 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Hydrologic Units - Sub Basins1998 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    EPA BASINS: Hydrologic Unit Boundaries of the Conterminous United States1998 EPA BASINSConterminous United States 1:250,000 Metadata Link
    Geochemical Atlas: Hydrologic Units1998 National Geochemical AtlasConterminous United States 1:5,000,000  
    CGIA: Hydrologic Units1994 CGIANorth Carolina 1:24,000 Metadata Link
    CGIA: Hydrologic Units: Riverbasins1994 CGIANorth Carolina 1:24,000 Metadata Link
    CGIA: Hydrologic Units: Subbasins1994 CGIANorth Carolina 1:24,000 Metadata Link
    Hydrologic Units (1:250,000)1994 United States 1:250,000 Metadata Link
    CMAP: Hydrologic Units of the Conterminous U.S. (1:250,000)1994 C-MAPConterminous United States 1:250,000 Metadata Link
    NRCS: 8 Digit Hydrologic Unit Boundaries for the Conterminous United States1994 State of the LandUnited States 1:2,000,000 Metadata Link
    NRCS: 8 Digit Hydrologic Unit and State Boundaries for the Conterminous United States1994 State of the LandUnited States 1:2,000,000 Metadata Link