http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Physiographic diagram of the North Atlantic Ocean
Accompanied by text: The floors of the oceans. 1, The North Atlantic / by Bruce C. Heezen, Marie Tharp and Maurice Ewing. 1959.
Relief shown pictorially. Depths shown by landform drawings and soundings.
Special papers (Geological Society of America) ; no. 65, Map