Knife Lake straddles the border between Canada and Minnesota, with Quetoco Provincial Park to the north, and the famous Boundary Waters on the U.S. side. Professor Mark Muniz of St. Cloud State and fellow researches have been digging around there, and what they have found is fairly amazing if their dating holds up. The Ojibwe name for what the glaciers carved from the earth is Mookomaan Zaaga'igan, while the French fur traders called it Lac des Couteaux, or Lake of Knives. Stone tools found in this area may date from 11,000 to 12,500 years ago, which would indicate that the...
