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[The St. Louis bridge.] The erection -- the ribs completed and the roa...
Photograph shows view of the St. Louis Bridge under construction, spanning the Mississippi River. Illus. in: A history of the St. Louis bridge; containing a full account of every step in its construction and e... More
[James Buchanan Eads, engineer and inventor of ironclad warships, head...
Reference copy in BIOG FILE. Public domain photograph - Portrait, United States, free to use, no copyright restrictions image - Picryl description