http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Canada, Quebec, Fleuve Saint-Laurent/St. Lawrence River, Port of Quebec
28th ed., Mar. 25, 1995 (Correct through NM 12/95).
Relief shown by form lines and spot heights.
"[Copyright] Minister of Supply and Services Canada 1984."