File:Bascule bridge across Calumet River, Chicago & Western Indiana Railroad, 1912.jpg

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English: South Chicago, IL. Substructure of new bascule bridge across the Calumet River, built for the Chicago & Western Indiana Railroad Company for Great Lakes Dredge & Dock Company. Bridge design is described as a single leaf bascule bridge, also called a "jack knife" bridge. Page 102 from Great Lakes Dredge & Dock Company book.
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Source Bridges - Railroad Bridge Across the Calumet River. Southeast Chicago Historical Society (Illinois Digital Archives)
Author Great Lakes Dredge & Dock Company
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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current06:58, 22 May 2022Thumbnail for version as of 06:58, 22 May 20221,766 × 1,353 (291 KB)Krib (talk | contribs)Uploaded a work by Great Lakes Dredge & Dock Company from [https://www.idaillinois.org/digital/collection/pshs03/id/130 ''Bridges - Railroad Bridge Across the Calumet River.''] Southeast Chicago Historical Society (Illinois Digital Archives) with UploadWizard

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