http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (160 pages, XV pages of plates) : illustrations, maps (some color).
Title from title screen (viewed June 30, 2014).
Includes bibliographical references and index.
Smith, Philip S. (Philip Sidney), 1877-1949.
Bulletin (Geological Survey (U.S.)) ; no. 536