1. Index to map sheets of the national topographic series. scales 4 and 8 miles to 1 inch / Ontario and Southwestern Quebec Yale Public content 1954. 2018-02-20T20:30:25Z. 2020-08-14T18:08:36Z. Canada. Surveys and Mapping Branch, cartographer, issuing body. Surveys and Engineering Branch. English. cartographic image. Public. Ontario, Quebec, Ontario., and Québec.