http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
conceptual prototype for the next-generation National Elevation Dataset
1 online resource (52 pages) : illustrations (some color).
Title from title screen (viewed on July 10, 2013).
Includes bibliographical references (page 52).
U.S. Geological Survey open-file report ; 2013-1023