The main thrust of the Ross County Ohio migration to Saline County (the Malta Bend area, Grand Pass Twp.) started with members of the Lunbeck family. They platted the town of Malta Bend. Word spred back home to Ross Co. via letters, and visits about the wonderfully fertile soil. Thus many families joined the migration. My great grandfather Jame A. Tobin was one of them. He came by horse, and wagon in 1870.
I have seen the settlement referred to informally as the "Ohio Colony" because there were so many there from Ross, and adjoinining counties in Ohio. See 1881 History of Saline County. You may read it free on line.