Data Catalog

• Federal

  National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA

  Department of the Interior —

  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...

  • XML
  • XML
• Federal

  Attributes for NHDPlus Catchments (Version 1.1): Level 3 Nutrient Ecoregions, 2002

  Department of the Interior —

  This data set represents the area of each level 3 nutrient ecoregion in square meters, compiled for every catchment of NHDPlus for the conterminous United States. The...

  • XML
  • XML
• Federal

  Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Physiographic Provinces

  Department of the Interior —

  This dataset represents the area of each physiographic province (Fenneman and Johnson, 1946) in square meters, compiled for every catchment of NHDPlus for the...

  • XML
  • XML

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.