In a breakthrough that could have major implications for mitigating pollution, geophysicists at the University of Utah have located a deep, freshwater reservoir under Farmington Bay. SALT LAKE CITY — The declining water levels of the Great Salt Lake have exposed 800 square miles of lake playa, becoming a major cause of concern and source of dust pollution blowing into Utah's population centers. But in a first-of-its-kind breakthr... [4447 chars]