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Photograph

Chicago, Milwaukee, and St. Paul Railway Pontoon Bridge

Date: 1900
Description: Chicago, Milwaukee, and St. Paul Railroad pontoon bridge between Marquette, Iowa, and Prairie du Chien.
Photograph

Pontoon Railway Bridge, West Draw

Date: 1873
Description: 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, 39...
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

Pontoon Railway Bridge

Date: 1910
Description: Slightly elevated view of the pontoon bridge construction. People are standing on and near the railroad tracks in the foreground.
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

Bridge, Prairie du Chien, Wisconsin - Anaglyph

Date: 1870
Description: Stereograph of John Lawler's pile-pontoon railway bridge over the Mississippi River.

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