http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (iv, 13 pages) : illustrations.
by Crista L. Straub, Stephen R. Koontz, and John B. Loomis.
Includes bibliographical references (pages 12-13).
U.S. Geological Survey open-file report ; 2019-1112