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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...
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...
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...
Photograph

Pontoon Railway Bridge, East 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. The East Draw ...

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