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Limnometric scales (public)
English: A limnimetric scale is a ruler, usually made of enamelled steel, that resists corrosion. They are generally attached by means of anchoring to existing... -
Areas of high and low current of the Ottawa and Gatineau rivers Appendix E -...
English: This map locates the areas of high current and low current of the Ottawa and Gatineau rivers. The low-current zone corresponds to the part of the...