Skip Links

USGS - science for a changing world

National Hydrography Dataset



  NHD Technical Reference Archive


  • NHDinARC QuickStart          HTML 17k | PDF 145k
    The "NHDinARC QuickStart" is a condensed and highly informative reference document for the NHDinARC data model. The document defines important components of the data model, while addressing basic questions about the dataset.

  • NHDinARC Schema - Diagram of the tables, the table items, the item definitions, and the relationships between the tables in the NHDinARC data model. (74k)




Accessibility FOIA Privacy Policies and Notices

Take Pride in America home page. USAGov: Government Made Easy U.S. Department of the Interior | U.S. Geological Survey
URL: http://nhd.usgs.gov/archive_techref.html
Questions or Assistance: Contact USGS
Last modified: Tuesday, 29-May-2007 14:23:19 EDT