from atop the many mountaintops that surround the city. Chattanooga and its suburbs form the second most populous metropolitan area in the valley. The Battle of Chattanooga was fought on nearby Lookout Mountain. Chattanooga is also well known for the Chattanooga Choo-Choo, its transformation from a declining early industrial city to a thriving modern city, the famous Delta Queen, and the first publicly available one gigabit per second Internet access from a municipally-owned utilities company, i.e. the Electric Power Board (EPB), in the United States. Decatur, Alabama, known as "The River City", dominated the economic landscape of north Alabama until the late 1950s, when the space race catapulted its neighbor Huntsville into that position. For most of the 20th century up to that point, Decatur held the top position in terms of economic impact and population. Its mixture of river transport and rail access has made it a busy hub of business, commerce, and manufacturing (chemicals and textiles especially) flowing down the river on the barges and boats of numerous companies and docking at the Port of Decatur. Decatur also claims the nickname "The Heart of the Valley" because of its location near the exact center of the length of the Tennessee River. Also because most north/south shipping traffic is funneled through the town utilizing three river crossings that are main routes for rail and road traffic between Birmingham and Nashville. The city is also an important river port that uses intermodal facilities to switch shipping methods between trains, trucks, and barges. Elizabethton, Tennessee, is a small city formerly known by the moniker "The City of Power" prior to the post World War II era of nuclear power production. It is located at the confluence of the Doe River and Watauga River downstream from the Watauga Reservoir and the Wilbur Reservoir. Both are maintained by the Tennessee Valley Authority (TVA). Florence, Alabama, considered part of the Shoals with Muscle Shoals, Sheffield, and Tuscumbia, is located immediately across the Tennessee River from Muscle Shoals. (The river divides Lauderdale County from Colbert County). Florence is the birthplace of W.C. Handy and is where the only Frank Lloyd Wright designed house in Alabama is located, the Rosenbaum House. Guntersville, Alabama, is a major city of northeast Alabama and has a major lake and river port, Lake Guntersville and the Port of Guntersville, respectively. The city is famous for being the place where Ricky