A woman in a hot-air balloon realized she was lost. She lowered her altitude and spotted a man in a boat below. She shouted to him, ""Excuse me, can you help me? I promised a friend I would meet him an hour ago, but I don't know where I am."" The man consulted his portable GPS and replied, ""You're in a hot air balloon, approximately 30 feet above a ground elevation of 2,346 feet above sea level. You are at 31 degrees, 14.97 minutes north latitude and 100 degrees, 49.09 minutes west longitude. "…