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Photograph

Machinery at Prairie du Sac Dam

Date: 08 11 1910
Description: The first machinery at work sounding at the site for the power dam. Workmen are posing near the carriage-mounted equipment. A horse-drawn wagon is in the ...
Photograph

Construction of Power Engine and Boilers at Prairie du Sac Dam Site

Date: 06 1911
Description: Workmen pose during construction of the temporary steam power plant at the Prairie du Sac dam. These engines provided electric power for the construction ...
Photograph

Narrow Gauge Trestle and Pile Drivers at Prairie du Sac Dam Site

Date: 06 19 1911
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 a...
Photograph

Narrow Gauge Trestle and Coffer Dam Under Construction

Date: 06 21 1911
Description: Looking east over the Wisconsin River showing the unfinished narrow gauge railroad trestle. Two steam-driven pile drivers on barges with construction worke...
Photograph

Centrifugal Sand Pump at Work at Power Dam

Date: 07 01 1911
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 the...
Photograph

Power Dam Construction Site

Date: 07 27 1911
Description: Elevated view of the power dam construction site on the Wisconsin River from the west shore. The outline of the coffer dam is easily seen. Three steam-pow...
Photograph

Railroad Trestle at Dam Construction

Date: 08 15 1911
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...
Photograph

Workers on Pile Driver

Date: 09 23 1911
Description: Workers standing on the barge-mounted, steam-driven pile driver at work on the coffer dam.
Photograph

Beginning of High Water at Power Dam

Date: 10 07 1911
Description: Elevated view of the rising waters of the Wisconsin River at the construction site. This view shows the coffer dam, pile drivers, and narrow gauge railroad...
Photograph

Destruction of Trestle Works by High Water

Date: 10 07 1911
Description: Workers attempt to secure the trestle against high water on the Wisconsin River during construction of the power dam.
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

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

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

General View of Power House Coffer Dam and High Trestle

Date: 07 16 1912
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 th...
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

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

Erecting Gate Guides in Power House at Power Dam

Date: 11 02 1912
Description: Workmen using a crane to erect the gate guides for the power house.
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

Date: 11 21 1912
Description: Elevated view within the coffer dam showing four steel draft tubes; wooden supports are visible inside one of the tubes.

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