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Open Access Publications from the University of California

Migrating attributes tied to the EPA river reache file to the national hydrography dataset

  • Author(s): Moore, Cynthia L.;
  • Mullins, James C.;
  • Willett, Karen Beardsley;
  • Quinn, James F.
  • et al.

In cooperation with several federal and state agencies, the Information Center for the Environment (ICE) at the University of California Davis is analyzing the ability to cross-reference information linked to California's hydrography dataset (a modified form of the U.S. Environmental Protection Agency's River Reach File) to the new National Hydrography Dataset. California's Reach File contains a critical but non-standard foreign key that is essential to many research applications. Additionally, ICE plans to test, verify, and recommend enhancements to cross-referencing methods to improve the transfer of reach-code information from earlier hydrography datasets in California to the NHD.

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