A 1,200-year-old dugout canoe was discovered by Tamara Thomsen and Mallory Dragt one Saturday morning in June when they decided to test underwater scooters under Lake Mendota. The two women are employees at Diversions Scuba and use underwater scooters as mechanical machines to propel them about the water, according to the Wisconsin State Journal. Thomsen … Continue reading Wisconsin experts share how they discovered historic underwater canoe in Lake Mendota