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Photograph

North View Interior Power House Coffer Dam

Date: 09 30 1912
Description: Forms have been removed from the first concrete poured for the power house in the northeast corner of the coffer dam. Men are pouring concrete from rail ca...
Photograph

Rock Quarry on Blackhawk Bluff

Date: 06 13 1913
Description: A view, from the west, of the quarry on Blackhawk Bluff. Gravel from the quarry was used in concrete for the construction of the power plant and dam.
Photograph

Conduits for Switchboard in Power House

Date: 07 02 1913
Description: Workers pause while installing a maze of conduit for the switchboard in the power house. The construction camp is to the left.
Photograph

Looking Upstream through Lock at Power Dam

Date: 11 01 1913
Description: Wooden forms are in place for construction of the walls of the lock at the Prairie du Sac dam. The newly constructed power house is on the left.
Postcard

Driving Sheet Piling at Power Dam

Date: 05 28 1911
Description: Men posing on a barge carrying a steam powered pile driver at work on the coffer dam for the construction of the powerhouse. Caption reads: "Driving Sheet ...

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