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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: 1912-09-30 

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: 1913-01-09 

Description: Men stand in the completed draft tubes after removal of the steel forms.

Date: 1913-06-13 

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.

Date: 1913-07-02 

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

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: 1911-06-19 

Description: Looking west over the Wisconsin River at the unfinished narrow gauge railroad trestle built for construction of the dam. Two pile drivers are seen in the...

Date: 1912-07-16 

Description: An overview, from the west bank, of the power dam construction site. The high trestle is in the background, and the narrow gauge electric railroad is in t...

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...

Date: 1912-11-02 

Description: Workmen use a crane to erect the gate guides for the power house.

Date: 1908 ca.

Description: Lodde's mill and surroundings, west of Sauk City.

Date: 1911-06-21 

Description: Looking east over the Wisconsin River showing the unfinished narrow gauge railroad trestle. Two steam-driven pile drivers on barges with construction work...

Date: 1912-11-21 

Description: An overview of the progress of construction within the coffer dam shows the gate guides and draft tubes in place. Concrete forms and chutes, as well as ti...

Photograph

Lock at Power Dam

Date: 1914-03-11 

Description: Looking upstream (north) through the lock at the Prairie du Sac dam. The power house is on the left. The flow of the river has been diverted through the...

Date: 1912-04-13 

Description: The concrete mixer stands near the newly poured east shore abutment while men work nearby. Reinforcing rods protrude from the abutment.

Date: 1911-07-01 

Description: A steam-powered centrifugal sand pump at work on the Wisconsin River during the construction of the power dam. Pilings of the coffer dam are visible in th...

Date: 1911-10-12 

Description: High water has scattered timber pilings through the construction camp. The office is on the right; the smoke stacks of the temporary power plant are visib...

Date: 1914-02-28 

Description: Sections of turbines inside the power house at the Prairie du Sac dam.

Date: 1915-02-28 

Description: A view, looking east, of the power house, lock, and dam on the Wisconsin River.

Date: 1912-11-21 

Description: Two workmen stand in the outlet of a steel draft tube in the power house, while other men work above it. Cars move along the elevated trestle above.

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