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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Dredges
Filter: Subject of construction workers
Filter: Subject of technology
| Date: | 07 27 1911 |
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| Description: | Elevated view of the power dam construction site on the Wisconsin River from the west shore. The outline of the coffer dam is easily seen. Three steam-pow... |
| Date: | 06 29 1938 |
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| Description: | A man operates an International PD-80 power unit mounted on a suction dredge for sand and gravel. The power unit is owned by Roy Deringer of Ithaca, Michig... |
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