them were built on or around Stolp Island in the middle of the river. As the city grew, it attracted numerous factories and jobs. In 1849, after failing to attract the Galena and Chicago Union Railroad building west from Chicago, the Aurora Branch Railroad was chartered to build a connection from Aurora to the G&CU at a place called Turner Junction, now West Chicago. Additional lines were built, including a direct line to Chicago, and in 1855 the company was reorganized into the Chicago, Burlington and Quincy Railroad. The CB&Q located its roundhouse and locomotive shop in Aurora, becoming the town's largest employer until the 1960s. Restructuring in the railroad industry resulted in a loss of jobs as passenger traffic dropped and the number of railroads decreased. The Burlington Railroad ran regularly scheduled passenger trains to Chicago. Other railroads built lines to Aurora, including the Chicago & Northwestern Railway to Geneva, the Elgin, Joliet and Eastern Railway to Joliet, Chicago, Milwaukee & Gary to Rockford, and the interurbans Chicago Aurora and Elgin Railroad, Aurora, Elgin and Fox River Electric Company, Chicago, Aurora and DeKalb Railroad, and Aurora, Plainfield and Joliet Railroad. With the exception of the EJ&E main line on the east side of the city, all lines other than the former Burlington lines have been abandoned. The heavy industries on the East side provided employment for generations of European immigrants, who came from Ireland, Great Britain, Scandinavia, Luxembourg, Germany, France, Romania and Italy. Aurora became the economic center of the Fox Valley region. The combination of these three factors—a highly industrialized town, a sizable river that divided it, and the Burlington railroad's shops—accounted for much of the dynamics of Aurora's political, economic, and social history. The city openly supported abolitionism before the American Civil War. Mexican migrants began arriving after the Mexican Revolution of 1910. Socially, the town was progressive in its attitude toward education, religion, welfare, and women. The first free public school district in Illinois was established in 1851 here and the city established a high school for girls in 1855. The city developed as a manufacturing powerhouse which lasted until the early 1970s, when the railroad shops closed. Many other factories and industrial areas relocated or went out of business. By 1980, there were few industrial areas operating in the city, and unemployment soared to 16%. During the late 1970s and early 1980s, development began in