Black and white photographic print of the fourth Welland Canal Aqueduct under construction, c. 1930-1932, looking south. Captioned 'Old and Present Canal Aqueducts, Looking South from Syphon Culvert.'
Black and white photograph showing an unknown ship crossing the Aqueduct on the fourth Welland Canal, the old Aqueduct can be seen on the bottom right, c. 1958.
Halftone reproduction of a black and white photograph of a view of the Welland Canal and Aqueduct in 1958. Captioned 'The "Midland Prince" steams by the point in the Welland Canal where the Welland River crosses under the canal through an aqueduct.'
Black and white photographic print of the Welland Canal Aqueduct under construction, looking east, Oct. 27, 1929. Captioned 'General view syphon culvert at Welland.'