Scale approximately 1:440,000 (W 84°52ʹ--W 80°30ʹ/N 42°--N 38°22ʹ).
Note
Shows post offices and routes by type of transportation. "Published by order of the Postmaster General, J. M. Donaldson." "May 15, 1952." "Distances on all mail routes are given to the nearest quarter-mile." Includes index to counties and inset of Cincinnati and vicinity.