Illustrated detailed description of this tunnel, with statement of its purpose, methods of construction, motive power, equipment, method of handling trains, etc. (5000 w.)
Chicago's underground freight railroad
Ir Age
1904
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1905
An electric underground freight railroad system
Engineering Index Backfile | 1905
|Chicago. Chicago freight speeded up by underground railroad
Engineering Index Backfile | 1929
Forty feet below: The story of Chicago's freight tunnels
Elsevier | 1983