Black and white photograph showing a drag line opening a new channel on the Welland River to the new syphon culvert, c. 1927. Merritt Island on the right.
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.'