[Canada 1:50 000 topographic series].
Canada.Department of Energy, Mines and Resources.
Canada.Natural Resources Canada.Centre for Topographic Information.
Ottawa : The Department,
1950-
Topographic series of Canada with relief shown by contours and spot heights.
Elevation given in feet and metres.
Each sheet has a distinctive number and title.
Individual sheets issued in varying editions.
Series given several series numbers.
4th ed. and later published as: Canadian topographic maps = Cartographiques du Canada / produced by the Centre for Topographic Information, Natural Resources Canada.
Map series of Canada showing roads, tracks, built-up areas, power transmission lines, bridges, sea plane bases, buildings, camp grounds, golf courses, natural facilities, boundaries, water features, cliffs, sand, glaciers, and wooded areas.
Includes map index, magnetic declination diagram, grid reference, and grid zone.
"National topographic system."
Text, annotations, abbreviations, and legend on verso.
Graphic indexes with maps (filed in 2 sets, large and small sheets)