A description, with plan, of the most complicated elevated railroad problem which has yet arisen. (2200 w.)
The Chicago union elevated loop
Ry Age
1897
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1899
|Signalling and interlocking on the union elevated or down-town loop, Chicago
Engineering Index Backfile | 1896
The union elevated railway of Chicago
Engineering Index Backfile | 1898
Engineering Index Backfile | 1907
|The problem of the Chicago elevated railway loop
Engineering Index Backfile | 1908