• Historic aerial of West Front Street, now Mehring Way, and several railroad facilities
  • Historic photo of the B&O and Big Four viaduct to Union Terminal
  • Historic photo of Queensgate and the various railroad yards and viaducts
  • Old viaduct piers for the B&O and Big Four connection to Union Terminal
  • More old viaduct piers for the B&O and Big Four connection to Union Terminal
  • Old viaduct piers for the B&O and Big Four connection to Union Terminal