YOUNGSTOWN, a city of Ohio, the county-seat of Mahoning co. It is on the Mahoning river, and on the Baltimore and Ohio, the Erie, the Lake Shore and Michigan Southern, the Pennsylvania, the Pittsburg and Lake Erie, and the Youngstown and Southern railroads. The city has 320 miles of streets, of which 168 miles are paved. There are 180 miles of sewers. The city has an excellent system of parks. Mill Creek Park includes 485 acres, and is one of the largest and most beautiful natural parks in the United States. The notable buildings include Mahoning Institute of Art, a court house, the Reuben McMillan Free Library, Y.M.C.A., and Y.W.C.A. buildings, and many handsome business buildings. There are 49 public school buildings, including two high schools. There are over 20,000 pupils enrolled in the public schools. The Catholic church maintains 12 schools, and there are several private educational institutions. The city has developed in recent years into one of the most important industrial communities in the United States. The
steel industry is the most important and to it the growth and importance of the city have been due. There are over 50 blast furnaces, producing over 7,000,000 tons of Bessemer steel, over 4,000,000 tons of open hearth steel, and 25,000 tons of castings. In addition there are coke oven plants and by-products plants of various kinds. Other industries include the manufacture of steel furniture and structural parts, steel sash, presses, steel buildings, asbestos, cement, shingles, cranes, engines, stoves, etc. Aside from the steel industry, there are manufac tures of automobile trucks, flour, leather, powder, wagons, and rubber. The in dustries employ about 60,000 men. The city had an assessed valuation in 1919 of $215,260,960. There are five banks and three building and loan associations. Pop. (1910) 79,066; (1920) 132,358.