Jon R. Roma:
Death of State Line Tower
Jon R. Roma:
State Line locking bed close-up
Jon R. Roma:
State Line track diagram
Jon R. Roma:
National Switch & Signal
Jon R. Roma:
State Line locking room
Jon R. Roma:
State Line levers
Jon R. Roma:
State line mechanical locking
Jon R. Roma:
State Line circuit controllers
Jon R. Roma:
State Line levers
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
Jon R. Roma:
State Line Tower
