Correction for the size of Lake Ontario
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How big is 496,000 dunams?
It's about one-fortieth as big as Lake Ontario
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The size of Lake Ontario is about 18,960,000 dunams.
(a.k.a. Lac Ontario) (surface area)
The smallest of North America's Great Lakes (by surface area), Lake Ontario has a total area of 18,960,000 dunams. It borders the cities of Toronto, Ontario, Canada and Rochester, New York.