1959 SOHIO Toledo Refinery Kellogg Trade AD This was a trade ad for the business community. This is such a great piece of history. The M. W. Kellogg Company black and white ad. 10 x 13 inches. A letter from SOHIO to M.W. Kellogg. We are pleased with this unit. It has performed with fewer startup troubles...Control room at SOHIO's Toledo refinery.