(6) Comparison of scales.

(6) Comparison of scales : Part of Ottawa, Ontario -- Ottawa and vicinity -- Ottawa to Kemptville -- Ottawa to Brockville -- Ottawa to Trenton -- Ottawa to Windwor. (Canada Department of Mines and Technical Surveys.)

Comtois, Paul

1958

1958

Department of Mines and Technical Surveys, Geographical Branch

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• 3D
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