Butler County

Butler County, formed in 1800, prospered as a result of various industries, including coal mining, farming, and lumbering. A successful oil industry transformed the county into a bustling, thriving community and introduced railroads, which opened up the area to other parts of the United States. Companies such as Standard Steel Car and Columbia Steel employed thousands. The introduction of streetcars in 1900 further drew people into the area, helping to develop towns such as Mars, Zelienople...