LXXX. Chicago : Diagram of the city center, showing the proposed arrangement of railroad passenger stations, the complete traction system, including rapid transit, subway, and elevated roads, and the circuit subway line.
Chicago · 1909
LXXX. Chicago : Diagram of the city center, showing the proposed arrangement of railroad passenger stations, the complete traction system, including rapid transit, subway, and elevated roads, and the circuit subway line., Chicago, 1909. Maps & plans — The 1800s Archive, from the rumsey record.