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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

Work on Coffer Dam for Power House and Locks

Date: 09 12 1911
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 ...
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

Elevated View of Power House Coffer Dam

Date: 12 29 1912
Description: Elevated view of the progress within the coffer dam showing concrete forms around the draft tubes and gate guides. The high trestle is seen extending to th...
Photograph

Brush Mats Used to Prevent Sand Washing Away at Power Dam

Date: 02 08 1913
Description: A winter view with workers posing with brush mats at the power dam construction site. The gate guides and high trestle form the background.
Photograph

Wreck of High Trestle at Power Dam

Date: 03 19 1913
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.
Photograph

Foundation Pile and Concrete for Power Dam

Date: 02 01 1914
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 foreground. Men can be seen work...
Photograph

Last Stretch of Buttresses of Power Dam

Date: 03 11 1914
Description: Elevated view looking east from the lock at the Prairie du Sac dam. Recently completed buttresses are in the foreground, with earlier stages of constructio...
Photograph

Electric Railroad and Coffer Dam at Power Dam, Looking West

Date: 08 06 1911
Description: A view following the lower trestle to the west bank. The construction camp buildings, including the office and temporary power plant are seen on the left.
Photograph

Putting in Concrete for Apron of Power Dam

Date: 05 17 1912
Description: Elevated view of workers using shovels to level fresh concrete at the base of the chutes from the high trestle. The steam powered pile driver is at work in...
Photograph

High Bridge and West Shore Coffer Dam

Date: 08 01 1912
Description: Elevated view of the power dam construction site from the west, showing the elevated trestle, coffer dam, and steam pile drivers. The concrete plant is vis...
Photograph

North View Interior Power House Coffer Dam

Date: 09 30 1912
Description: Forms have been removed from the first concrete poured for the power house in the northeast corner of the coffer dam. Men are pouring concrete from rail ca...

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