Relief shown by hachures. Inset: [Lake Superior]. Shows districts and natural features of Southern Ontario. Publication date from title sheet of Tanner's universal atlas, No. 14. In upper margin: Tanner's universal atlas. In lower right margin: 3 1/2. In: Tanner, Henry Schenck. Tanner's universal atlas ... Philadelphia, 1833-1836. Pt. 14, no. 4. 29.4 x 37.5 centimeters Scale approximately 1:2,050,000 General Map Collection