Canada, Department of the Interior. R.E. Young, chief geographer. Elevation shown by spot heights. "Depths of water, in fathoms." Shows township concessions and lots. Dept. of the Interior.
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Canada, Department of the Interior. R.E. Young, chief geographer. Also covers portion of Lake Ontario and Oswego and Jefferson counties in New York. Elevation shown by spot heights; d... Dept. of the Interior.