Cartographic symbols and specifications of the National Topographic System 1:250,000 =
Subtitle: Spécifications des symboles cartographiques du Système national de réf́rence cartographique 1:250,000
By: Surveys and Mapping Branch, Dept. of Energy Mines, and Resources.
Publisher: The Branch
Published: 1978
Place of publication: [Ottawa]
Language: eng
Number of pages: 10
Subjects: Maps -- Symbols
Other titles: Spécifications des symboles cartographiques du système national de référence cartographique.
Notes: Includes index.