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Pontoon Bridge
Image
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." The original Lawler pontoon bridge was replaced in 1910 by this pontoon bridge.
1915
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Collection Information
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W013TVI
WHi 42461
Image
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Pile-Pontoon Railroad Bridge
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 1874 and it solved the problem of providing r...
Pontoon Railway Bridge
1910
Slightly elevated view of the pontoon bridge construction. People are standing on and near the railroad tracks in the foreground.
Pile-Pontoon Bridge
1870
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. Buildings are across the river on the other ...
Chicago, Milwaukee, and St. Paul Railway Pontoon Bridge
1900
Chicago, Milwaukee, and St. Paul Railroad pontoon bridge between Marquette, Iowa, and Prairie du Chien.
The Prairie du Chien pontoon bridge and the John Lawler / Michael Spettel controversy
Unknown date
Pontoon Railway Bridge, West Draw
1873
Stereograph of John Lawler's pile-pontoon railway bridge over both channels of the Mississippi River at Prairie du Chien, and McGregor, Iowa. East draw, 396 feet in length looking west.
