Data Model Posters
TransportationThe National Transportation Dataset (NTD) consists of roads, railroads, trails, airports, and other features associated with the transport of people or commerce.
Governmental UnitsGovernmental Units includes administrative areas, census units, and management jurisdictions for local governments, states, federal agencies, and Native American organizations.
Watershed Boundary Dataset (WBD)The WBD is a seamless, national hydrologic unit dataset. Hydrologic units represent the area of the landscape that drains to a portion of the stream network.
National Hydrography Dataset Plus High Resolution (NHDPlus HR)The NHDPlus HR is a scalable geospatial hydrography framework built from the High Resolution (1:24,000-scale or better) National Hydrography Dataset.
|2.0||2020-06-24||Vector Processing Unit (VPU) Distribution Data Model|
|2.1||2022-01-09||NHDPlus HR National|