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Filter: Subject of Railroad bridges
Filter: Subject of machinery
| Date: | 1873 |
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| 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... |
| Date: | |
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| Description: | View towards railway machinery on railroad tracks approaching a bridge. |
| Date: | 1909 |
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| Description: | Elevated view of several workmen standing on a platform near the shoreline of the Wisconsin River during construction of a railroad bridge. There is a work... |
| 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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