"Canso Causeway - Road to the Isles". Canada's Digital collections. Retrieved 16 August 2024. The mile long eighty foot wide man-made causeway is known as the deepest in the world
Shannon, Meghan J. "The Canso Causeway". The Gut of Canso Museum and Archives. Port Hastings, Nova Scotia: The Port Hastings Historical Society. Archived from the original on 9 April 2023. Retrieved 9 April 2023.
web.archive.org
Shannon, Meghan J. "The Canso Causeway". The Gut of Canso Museum and Archives. Port Hastings, Nova Scotia: The Port Hastings Historical Society. Archived from the original on 9 April 2023. Retrieved 9 April 2023.