http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (viii, 172 pages) : illustrations, maps.
Includes bibliographical references and index.
Nolan, Thomas B. (Thomas Brennan), 1901-.
Professional paper (Geological Survey (U.S.)) ; no. 177