Ocmulgee River & Northern Railroad The OR&N ran across western Telfair County, connecting the Ocmulgee River and the town of Milan. It was apparently a logging line that may have occasionally served as a common carrier. 1898 map (31K)   Georgia's Railroad History & Heritage. Copyright, Steve Storey. Railroad History | The Depot List | Locomotives On Display | Odds & Ends | Sources & References | Home