What were some resources and industries that were once important in Ohio?

What were some resources and industries that were once important in Ohio?
In the post-Civil War era, Ohio became an important industrialstate. Iron ore was provided by the Great Lakes. (The lakes alsoprovided an exporting route.) Steel manufacturing was once king inOhio. Outsourcing and offshoring have meant that many of thosemanufacturing jobs have left Ohio.