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Date: 1912-05-31 

Description: Workers maneuver a load of gravel into a concrete mixer at the plant on the east bank of the river. The east abutment is in the foreground, left.

Photograph

Runway Through Dam

Date: 1912-07-01 

Description: A view through the runway (tunnel) cast into the concrete structure of the power dam at Prairie du Sac.

Date: 1911-10-12 

Description: Two men stand on the tracks of the newly constructed railroad extension to the construction site of the Prairie du Sac dam. Behind them, the tracks are su...

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: 1913-07-29 

Description: A view of the power house from the southwest with bricklayers and other workers. The narrow gauge railroad is in the foreground.

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: 1920 ca.

Description: View from shoreline of toll bridge under construction.

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: 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.

Date: 1911-10-18 

Description: Receding flood waters reveal destruction of the railroad extension to the power dam construction site.

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: 1910 ca.

Description: This was the first bridge built across the Wisconsin River, constructed about 1850, although it was not opened to traffic until 1852. It was torn down in 1...

Date: 1913-09-01 

Description: A view of the power house from the southwest showing progress of the brickwork. Two cars stand on the railroad extension. Workers are pushing cars along...

Date: 1896 ca.

Description: Bridge over the Wisconsin River.

Date: 1907 ca.

Description: View of bluff taken from below.

Date: 1912-12-29 

Description: Elevated view of the progress within the coffer dam shows concrete forms around the draft tubes and gate guides. The high trestle is seen extending to the...

Date: 1912-08-07 

Description: Men excavating within the coffer dam. One man stands on a high piling. Several steam engines at work fill the air with smoke. The high trestle and found...

Date: 1960 ca.

Description: Casual portrait of August Derleth sitting behind his typewriter in his office, with Gaylord Nelson sitting on his desk to talk.

Date: 1914 ca.

Description: A group of bricklayers pose with the tools of their trade in front of an unfinished brick wall at the Prairie du Sac dam site. Note the wooden form for a...

Date: 1911-10-18 

Description: Workmen stand on damaged and partly submerged railroad track on the west shore of the Wisconsin River.

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