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Photograph

Gravel at Prairie du Sac Power Dam

Date: 10 07 1911
Description: Two men in a boat approaching a wooden gravel bin at the construction site. Other men are watching from atop the structure and from the shore.
Photograph

High Water at Prairie du Sac Dam

Date: 10 11 1911
Description: Elevated view of high water on the Wisconsin River which has inundated the coffer dam at the construction site. The narrow gauge railroad (curved line in f...
Photograph

Extension Railroad to Power Dam Under High Water

Date: 10 12 1911
Description: Two men are standing on the tracks of the newly constructed railroad extension to the construction site of the Prairie du Sac dam. Behind them, the tracks...
Photograph

Railroad to Power Dam Washed Out by Flood

Date: 10 18 1911
Description: Workmen standing on damaged and partly submerged railroad track on the west shore of the Wisconsin River.
Photograph

Diver at Work at Power Dam

Date: 11 05 1911
Description: A diver and team working to inspect the coffer dam for underwater damage caused by flooding.
Photograph

Foundation Piles and Concrete Forms at East End of Power Dam

Date: 03 03 1912
Description: Two women and a man posing among the timber pilings near the east shore of the river. Wooden concrete forms and two buildings are in the background.
Photograph

Concrete Mixer and East Shore Abutment at Power Dam

Date: 04 13 1912
Description: The concrete mixer standing near the newly poured east shore abutment while men are working nearby. Reinforcing rods protrude from the abutment.
Photograph

Steam Shovel Loading Electric Cars with Gravel

Date: 04 13 1912
Description: Workmen operating a steam shovel loading gravel into electric rail cars during construction of the power dam.
Photograph

Diver at Work at Power Dam

Date: 04 12 1912
Description: A diver posing with other workmen at the power dam construction site prior to assessing underwater damage.
Photograph

Work on East End of Power Dam

Date: 05 09 1912
Description: Men with shovels working downstream from the east abutment, while other men are looking on.
Photograph

Shooting Concrete from Elevated Road at Power Dam

Date: 05 17 1912
Description: Workmen pouring concrete from the elevated railroad into forms below.
Photograph

Crew at Power Dam Waiting for Dinner

Date: 05 31 1912
Description: Workmen posing outside the dining hall before dinner.
Photograph

Big Boiler and Engine to Run Centrifugal Pump

Date: 07 16 1912
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.
Photograph

Excavating in West End of Power House Coffer Dam

Date: 07 25 1912
Description: A boy posing 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 backgr...
Photograph

Northeast View of Power House Coffer Dam at Power Dam

Date: 08 07 1912
Description: Men excavating within the coffer dam. One man is standing on a high piling. Several steam engines at work fill the air with smoke. The high trestle and fou...
Photograph

Northeast View of Interior of Power House Coffer Dam

Date: 09 30 1912
Description: Pile drivers working within the confines of the coffer dam. Men are on the high trestle constructing chutes for pouring concrete.
Photograph

Concrete Chutes and Forms in Power House Coffer Dam

Date: 10 23 1923
Description: Men working on the concrete chutes and elevated trestle. Iron reinforcing bars protrude from the forms.
Photograph

Erecting Draft Tubes in Power House at Coffer Dam

Date: 11 02 1912
Description: Workmen posing during erection of the draft tubes for the power house at the Prairie du Sac dam.
Photograph

Steel Draft Tubes in Power House Coffer Dam at Power Dam

Date: 11 21 1912
Description: Workmen posing on and in front of the steel draft tubes. The gate guides are visible on the right.
Photograph

Steel Draft Tubes Showing Outlet in Power House

Date: 11 21 1912
Description: Two workmen standing in the outlet of a steel draft tube in the power house, while other men are working above it. Cars are moving along the elevated trest...

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