http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Status report for the 3D Elevation Program, 2013-2014
1 online resource (iv, 17 pages) : illustrations, color maps.
Includes bibliographical references (pages 16-17).
U.S. Geological Survey open-file report ; 2015-1161