Date: | 1911 |
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Description: | Steam-powered pile driver and centrifugal pump (in shed) at work at the Wisconsin River dam site. Men and children are watching the work. |
Date: | 07 16 1912 |
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Description: | Workmen pose around the "big boiler" and engine that power the 12 inch centrifugal pump used to pump out the coffer dam at the power dam construction site. |
Date: | 09 17 1937 |
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Description: | A.C. White, contractor, stands near a rotary water well rig powered by an International P-12 power unit mounted on a truck. |
Date: | 07 10 1942 |
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Description: | Overhead view of four people standing in a muddy excavated hole for a footing at the Ordnance Steel Foundry. The Foundry may have served as part of Interna... |
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