Canada. Department of the InteriorAlso covers portion of Lake Ontario and Oswego and Jefferson counties in New York.; Elevation shown by spot heights; depths shown by isolines.; "Depths of water in fathoms."79 x 49 centimetersJPEGUMN_ALMA:9974832207201701engDept. of the Interior (Ottawa, Ont)PublicOntario, Kingston sheet : Leeds and portions of Lennox and Addington, Frontenac, Lanark and Grenville countiesMapsOntarioCanada1911University of Minnesota