Date: | 1900 |
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Description: | Chicago, Milwaukee, and St. Paul Railroad pontoon bridge between Marquette, Iowa, and Prairie du Chien. |
Date: | 1915 |
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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.... |
Date: | 1910 |
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Description: | Slightly elevated view of the pontoon bridge construction. People are standing on and near the railroad tracks in the foreground. |
Date: | 04 19 1961 |
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Description: | View across a railroad bridge of a group of seven oil storage tanks in a wooded area. |
Date: | 08 29 1930 |
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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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