Black and white prints of two illustrations of the Third Welland Canal, c. 1882. It shows Lock 1 of the Third Welland Canal and the Deep Cut. They are from the 1882 book 'Picturesque Canada: The Country As It Was and Is.'
Three black and white photographs of a ship in the Third Welland Canal, undated. The first photo is of the ship turning around, and the second and third shows it entering the Lock Pit, with the Courthouse in the right background.
Black and white halftone photograph showing heavy rock cutting on site of Flight Locks, Section No. 3 for fourth Welland Canal construction, c. 1920. From the booklet "Welland Ship Canal (Under Construction)" by the Department of Railways and Canals.