Records become thin due to the large number of citizens helping African Americans to gain freedom.Former slaves passed through the area on their way to Canada during the operation of the Underground Railroad with much help from Greenfield's community members.Patterson, alongside J.P. Lowe, moved to Greenfield where they founded the car company.Patterson and Sons car company provided Greenfield schools buses to conduct routes.[9] It was the first school in Ohio to have an indoor swimming pool, which is still there today, with minor construction revisions.[7] In 1988, the 29.5-mile railroad line connecting the city to the national rail network was scheduled to be decommissioned, but Greenfield bought it for $2.4 million and kept it operational in order to retain a transportation outlet for the local manufacturing industry.[10] Much of Greenfield's early history concentrates on the Travellers' Rest Inn at the eastern end of Jefferson Street.[14] According to the United States Census Bureau, the city has a total area of 2.06 square miles (5.34 km2), all land.As of 2018, Greenfield's village council consists of Phil Clyburn, Amie Ernst, Brenda Losey, and Dr. Eric Borsini.[19] Other officials include City Manager Todd Wilkin, Finance Director Gary Lewis, Police Chief Jeremiah Oyer, Law Director Hannah Bivens, and Clerk of Council Sherry Parker.