http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Central America, El Salvador--Honduras--Nicaragua, Golfo de Fonseca
14th ed., Oct. 29, 1994 (Correct through NM 44/94).
Relief shown by contours and spot heights.
"Copyright 1994 by the United States Government ; no copyright claimed under Title 17 U.S.C."