As Nashville’s Cumberland River continued to recede Wednesday, Mayor Karl Dean estimated the damage from weekend flooding could easily top $1 billion. The flooding and weekend storms killed at least 29 people in three states. The flooding caused by record-busting rains of more than 13 inches in two days sent water rushing through hundreds of homes, forcing thousands to evacuate – some by boat and canoe – affecting both rich and poor in this metropolitan area of about 1 million. Airplanes are seen partially submerged in floodwater at the Cornelia Fort Airpark Tuesday, May 4, 2010, in Nashville, Tenn. Heavy weekend rain caused the Cumberland River, which winds through Nashville, to over flow its banks flooding part of downtown and other areas around the city. Linda Steuer wipes away tears as she looks at her flooded apartment Tuesday, May 4, 2010, at the Windover Apartment complex in Bowling Green, Ky. Nearly a dozen families were forced from their homes by flood waters. A car is washed up against a tree under a bridge on Sunday, May 2, 2010 in Nashville, Tenn. Severe storms dumped heavy rain on Tennessee for the second straight day.