This industry was established near Youngstown in 1804.
T he great manufacturing centres are Cleveland, Cincinnati, Youngstown, Toledo, Columbus, Dayton and Akron, and in 1905 the value of the products of these cities amounted to 56.7% of that for the entire state.
A large portion of the iron and steel is manufactured in Cleveland, Youngstown, Steubenville, Bellaire, Lorain and Ironton.
The largest cities are Cleveland, Cincinnati, Toledo, Columbus (the capital), Dayton, Youngstown, Akron, Springfield, Canton, Hamilton, Zanesville and Lima.
A small company of Connecticut people under Moses Cleaveland founded Cleveland in 17 9 6 and Youngstown was begun a few years later, but that portion of the state made very slow progress until after the opening of the Ohio & Erie Canal in 1832.
Wayne & Chicago, the Western Pennsylvania, the Buffalo & Allegheny Valley, the Cleveland & Pittsburg, the Erie & Pittsburg, the Pittsburg, Youngstown & Ashtabula, and the Chautauqua divisions of the Pennsylvania railway system, and by Ohio river freight and passenger boats.
Salem is served by the Pennsylvania (the Pittsburg, Fort Wayne & Chicago division) and the Youngstown & Ohio River railways, and by an interurban electric line to Canton.
More iron ore is received at this port annually than at any other port in the country, or, probably, in the world; the ore is shipped thence by rail to Pittsburg, Youngstown and other iron manufacturing centres.