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Date: 1912-05-17 

Description: Workers use shovels to level fresh concrete at the base of the chutes from the high trestle. The steam powered pile driver is at work in the background.

Date: 1912-09-30 

Description: Pile drivers work within the confines of the coffer dam. Men on the high trestle construct chutes for pouring concrete.

Date: 1914-03-11 

Description: Looking east from the lock at the Prairie du Sac dam. Recently completed buttresses are in the foreground, with earlier stages of construction visible, in...

Date: 1912-07-16 

Description: Workers pose inside the coffer dam. The narrow gauge railroad is behind them. One of the pile drivers is in the background. A bare area on the bluff in...

Date: 1913-11-01 

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.

Date: 1912-07-25 

Description: A boy poses in the excavation site for the power house within the coffer dam. He is standing on the narrow gauge tracks; the high trestle is in the backg...

Date: 1912-04-13 

Description: Workmen operate a steam shovel loading gravel into electric rail cars during construction of the power dam.

Date: 1911-08-15 

Description: Dam site on the Wisconsin river, looking southwest along the unfinished narrow gauge railroad trestle. The coffer dam and two pile drivers are also visible...

Date: 1912-08-01 

Description: An overview of the power dam construction site from the west, showing the elevated trestle, coffer dam, and steam pile drivers. The concrete plant is visi...

Date: 1912-05-03 

Description: Workmen on a barge use a pulley to raise sheet steel pilings which were damaged by high water in October, 1911.

Date: 1913-03-19 

Description: A view, looking east, of the wreckage of the high trestle caused by flooding and ice. The concrete plant is visible on the far bank.

Date: 1883 

Description: Bird's-eye map of Prairie du Sac, Wisconsin with an inset of Clifton.

Date: 1911-10-11 

Description: High water on the Wisconsin River has inundated the coffer dam at the construction site. The narrow gauge railroad (curved line in foreground, right) is n...

Date: 1911 

Description: Newly constructed office building at construction site, with buggy in attached shed.

Date: 1911-09-12 

Description: An overview of the dam site on the Wisconsin River from the west shore. Three pile drivers are at work on the coffer dam. The railroad trestle is in the...

Date: 1911-04 ca.

Description: Men stand on and beside a rail car in front of the main construction office at the site of the Wisconsin River dam.

Date: 1912-09-30 

Description: Forms have been removed from the first concrete poured for the power house in the northeast corner of the coffer dam. Men pour concrete from rail cars on...

Date: 1913-04-07 

Description: Five men, two well-dressed, pose on electric rail cars during construction of the dam.

Date: 1911-07-20 

Description: Workmen stand on a barge carrying a steam-powered pile driver. The pilings will form the coffer dam necessary for construction of the power plant on the W...

Date: 1914-02-01 

Description: A view looking west toward the lock and power house at the Prairie du Sac dam. Pilings and the elevated trestle are in the foregound. Men can be seen work...

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