Hoyo de Manzanares university named the Universidad Antonio de Nebrija. The Academy of Engineers of Madrid, founded in 1803, is located in Hoyo de Manzanares, Madrid. This academy contains one of the largest libraries of northern Madrid, containing various donated volumes of books about the Spanish Civil War. Hoyo de Manzanares It has a stable population of roughly 7,457 residents (INE 2008), a statistic that has been increasing consistently from the economic crisis. The population also greatly increases during the summer as a result from various families who own summer houses in the area. This district of Madrid is found inside of the
Iowa River cities of Eldora, Marshalltown, Tama, and Marengo, and through the Amana Colonies in Iowa County. In Johnson County, it becomes impounded by the Coralville Dam in the Coralville Reservoir, which turns southward to the spillway. The river runs generally south and passes through Iowa City and the University of Iowa campus. A lowhead dam at Burlington Street in Iowa City is the last dam before the river's confluence with the Mississippi. South of Iowa City, it is joined in Washington County by the English River, and then in Louisa County it is joined by the Cedar River to flow into