Annual Northwest Water Carnival Begins At LakesThe tenth annual northwest water carnival opened at Detroit Lakes today, with attendance ex-I peetecl to reach 20,000 before the ! final event on Sunday.An aquatic show tomorrow, to be judged by Niels Thorpe, swimming coach at the University of Minnesota, and a fishing derby Sunday, offering $300 in prizes, will beamong the features, j A daredevil driving program, golf tournament, parade, and singing by the Minneapolis aquaten-nial’s champion barbershop quartet of 1944, fireworks display, and coronation of a carnival queen also ! are scheduled.j Miss Mary Jo Reed is '‘Miss Moorhead in the contest.