http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Critical habitat GIS data (viewed on May 24, 2007)
The GIS data are based on information used by NOAA National Marine Fisheries Service to identify areas designated as critical habitat under the U.S. Endangered Species Act for 12 evolutionarily significant units (ESUs) of Pacific salmon and steelhead. The data are provided in two ESRI formats - shapefiles or coverages. Each ESU has a zipped data package that contains metadata and two data layers.
Title from home page last updated July 17, 2007 (viewed on Oct. 29, 2007).
Mode of access: Internet from the NMFS Northwest Regional Office web site. Address as of 10/29/07: http://www.nwr.noaa.gov/Salmon-Habitat/Critical-Habitat/CH-GIS-Data.cfm ; current access is available via PURL.