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PenobscotBridgeHAER.jpg - Martin H.
SteamAcrossIowaRiver.JPG - Douglas W. Jones
Susitna rail bridge 1920.jpeg - Materialscientist
PM - Black River Bridge.jpg - Flickr upload bot
15TH STREET SWING BRIDGE (1914). BUILT BY THE AMERICAN BRIDGE COMPANY. - Union Depot Area Study, Tacoma, Pierce County, WA HABS WASH,27-TACO,6-50.tif - Fæ
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