Comparative statement of different classes of trade passing downward through the Welland Canal at Port Colborne during the years 1857-1861

Comparative statement of different classes of trade passing downward through the Welland Canal at Port Colborne during the years 1857-1861 (1 page, hand drawn chart), Jan.25, 1862.

Statement of classes of vessels and merchandise passing downward through the Welland Canal during the year 1857

Statement of classes of vessels and merchandise passing downward through the Welland Canal during the year 1857 (Port Colborne), Jan. 30, 1862.