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Postcard

View of Mississippi River

Date: 1886
Description: View of the Mississippi River from Alma. Caption reads: "Mississippi River. Ice Palace and Cyclone Views."
Photograph

Point Douglas

Date: 1910
Description: Elevated view from hill of a steamer at Point Douglas going upstream on the Mississippi River. Caption reads: "Mississippi River at Prescott, Wis."
Photograph

Line of Prairie du Sac Power Dam Looking West

Date: 1911
Description: Frozen Wisconsin River from the east bank looking west, marked to show the future location of the power dam. Logs and stumps indicate prior clearing of th...
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

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

Work on Coffer Dam for Power House and Locks

Date: 09 18 1911
Description: Elevated view of pile drivers at work on the coffer dam. Pilings are also floating within the confines of the dam. The shoreline can be seen in the backgro...
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

Railroad to Power Dam Washed Out by Flood

Date: 10 18 1911
Description: Receding flood waters reveal destruction of the railroad extension to the power dam construction site.
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

Electric Railroad Across River on Ice at Power Dam

Date: 01 20 1912
Description: Elevated view of two men standing on a rail car on the narrow gauge electric railroad crossing the river at the dam construction site. The portion of track...
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

Shooting Concrete from Elevated Road at Power Dam

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

General View, Looking East of Work on Power Dam

Date: 06 16 1912
Description: Elevated view of steam powered pile drivers at work on the coffer dam.
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

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

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

Generator Room of Power House

Date: 05 28 1913
Description: Completed east portion of the first story of the generator room of the power house. Forms are in place at the west end.

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