The 1:50000 monochrome series of the National Topographic System
By: L.M. Sebert.
Series: Reprint series / Surveys and Mapping Branch -- 1975; Reprint series (Canada.  Surveys and Mapping Branch) -- 1975
Publisher: Department of Energy, Mines and Resources
Published: 1975
Place of publication: Ottawa
Language: eng
Number of pages: 174
Subjects: Cartography -- Canada.; Topographic maps -- Canada.; Surveying.
Other titles: The One to fifty thousand monochrome series of the National Topographic System
Notes: Reprinted from the Canadian Cartographer, vol.11, no.2, Dec. 1974.