Extent of Topographical Mapping Surveys - 1955

Contained within the 3rd Edition (1957) of the Atlas of Canada is a plate that shows four maps and their extent of areas in Canada, which were mapped at various scales, circa 1955. The first map shows the areas which were mapped at scales of 1:50 000 and 1:63 360. The second and third maps show the areas mapped at scales of 1:126 720 and 1:190 080, respectively. The last map shows the areas which were mapped at scales of 1:250 000 and 1:253 440.

Data and Resources

Additional Info

Field	Value
Last Updated	April 17, 2026, 21:00 (UTC)
Created	April 17, 2026, 21:00 (UTC)
contact_email	geoinfo@nrcan.gc.ca
contact_person	{}
criticality_level	[]
data_dictionary	["boundaries"]
geographic_scope	[]
open_canada_collection	geogratis
open_canada_date_published	1957-01-01 00:00:00
open_canada_keywords	{"fr": ["carte", "cartographie"], "en": ["cartography", "maps"]}
open_canada_subject	["government_and_politics"]
sensitivity_level	unrestricted
title_fr	État de la cartographie topographique – 1955
update_frequency	as_needed