Isachsen decca chain, southern sheet / the geographical grid and topographical features were drawn by the Canadian Hydrographic Service from the latest information supplied by the Surveys and Mapping Branch to December 1960

Color; 1:495,000

Bibliographic Details
Main Author: Canada. Department of Mines and Technical Surveys
Format: Map
Language:English
Published: Ottawa : Dept. of Mines and Technical Surveys 1960
Subjects:
Online Access:http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/24802
Description
Summary:Color; 1:495,000