http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Explains the theory of continental drift, presents the supporting evidence, and describes how this knowledge is important in locating valuable resources and developing warning systems for earthquakes and volcanoes.
R.V. Fodor ; with diagrams by John C. Holden and photographs.