1877. Barlow, Robert, 1813-1883. Greenwich prime meridian.; Relief shown by hachures and spot heights.; Includes 3 profiles. 77 x 88 centimeters Scale approximately 1:250,000 Gener... Geological Survey of Canada (Ottawa).
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1867. Barlow, Robert, 1813-1883, Geological Survey of Canada, and Richardson, James (Geologist). Greenwich prime meridian. Relief shown by hachures and spot heights. Includes 3 profiles. 1 map: col.; 77 x 88 cm.