Illustration of this large railway viaduct, with details of the construction and erection taken from a paper by W. C. Armstrong, in the "Iowa Engineer." 2000 w.
Des Moines River viaduct: Chicago and Northwestern Ry
Eng News
1901
Article (Journal)
English
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The Chicago and Northwestern viaduct at Boone, Ia
Engineering Index Backfile | 1901
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