Amazon river dolphin widespread river dolphins. They are present in six countries in South America: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela, in an area covering about . The boundaries are set by waterfalls, such as the Xingu and Tapajós rivers in Brazil, as well as very shallow water. A series of rapids and waterfalls in the Madeira River have isolated one population, recognized as the subspecies "I. g. boliviensis", in the southern part of the Amazon basin in Bolivia. They are also distributed in the basin of the Orinoco River, except the Caroni River and the upper Caura River in Venezuela. The
American River, South Australia an early American whaling vessel is dedicated to "Union" s crew. Frank Potts was the first official settler in 1842, before moving to the mainland and establishing the "Bleasdale" vineyard and winery at Langhorne Creek. John Buick, a professional boat builder, built the first house in the town in 1844. It was fashioned out of local stone, pug and sput timber and remained standing until 1985. Somewhat erroneously, the waters of Eastern Cove, upon which the township is located, have been referred to as American River, compounding the illusion that the township is connected in any way with a river.