Imperfect: mutilated. Manuscript annotations on map. Includes a list of "Crossings equipped with interlocking and signaling devices approved by the Railroad and Warehouse Commission." Inset: Connections with Belt Line, Chicago.
1 map : col. ; 76 x 47 cm.
Extent of Digitization
Scale [ca. 1:865,000]
(W 91⁰30ʹ--W 87⁰30ʹ/N 42⁰30ʹ--N 37⁰00ʹ)., 037.000000, 042.500000, -087.500000, -091.500000, 865000, and a
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