Canada 1:125,000 : [National Topographic System] /
Canada.Surveys and Mapping Branch.
Ottawa, Ont. : Canada Map Office, Dept. of Energy, Mines and Resources,
[1960?]-
Relief shown by contours and spot heights.
Earlier sheets comp. and produced by: Surveys and Mapping Branch, Dept. of Mines and Technical Surveys.
Supersedes: National topographic series, 1:126,720 [Canada].
Edition varies. (Includes later revision of earlier series.)
Index with maps. (Incomplete)