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Filter: Subject of Building sites
Filter: Subject of machinery
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| Date: | 08 04 1914 |
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| Description: | An interior view of the power house at the Prairie du Sac dam, showing assembly of the generators, identified by the manufacturer, the Allis-Chalmers Compa... |
| Date: | 1915 |
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| Description: | Elevated view of a man standing near the generators inside the power house at the Prairie du Sac dam. The base of the generators is marked with the name of... |
| Date: | |
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| Description: | View of machinery at a dam construction site. Identified as the rock crusher at the construction of the Hatfield dam. |
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