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Photograph

Pile-Pontoon Railroad Bridge

Date: 
Description: Elevated view of the pile-pontoon railroad bridge across the Mississippi River at Prairie du Chien. The bridge was built and patented by John Lawler in 187...
Postcard

Pontoon Bridge

Date: 1915
Description: Elevated view of Pontoon Bridge. Caption reads: "Largest Pontoon Bridge in the U.S. Scene at the Tri Cities, North and South McGergor and Prairie du Chien....
Photograph

Pile-Pontoon Bridge

Date: 1870
Description: Stereograph of John Lawler's pile-pontoon railway bridge over the Mississippi River. Three men are standing and sitting on the bridge in the foreground. Bu...
Photograph

Railroad Bridge

Date: 
Description: View across water toward a railroad bridge, constructed of heavy steel that sits on massive stone supports. Wooded hills are in the background.
Photograph

Construction Work on the New Free Bridge

Date: 08 29 1930
Description: View from top of new bridge of construction grounds at the bridge site. There are cars carrying building materials on the railroad tracks by the Bridgeport...

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