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Description: An overview of the progress of construction within the coffer dam shows the gate guides and draft tubes in place. Concrete forms and chutes, as well as ti...
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.
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.
Description: Looking upstream (north) through the lock at the Prairie du Sac dam. The power house is on the left. The flow of the river has been diverted through the...
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...
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...
Description: Newly constructed office building at construction site, with buggy in attached shed.
Description: Workmen and machinery at the quarry on Blackhawk Bluff. The gravel was used in construction of the power dam.
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.
Date: 1925 ca.
Description: Dam and power station on river with two automobiles parked in lot in lower left corner.
Description: Workmen operate a steam shovel loading gravel into electric rail cars during construction of the power dam.
Description: A view from the hill, looking northeast at the power house at the Prairie du Sac dam. Much of the brickwork has been completed. Concrete forms for the lo...
Description: Newly poured concrete buttresses and apron at the east end of the power dam on the downstream side.
Description: Workers erect a steam driven pile driver while others survey for the railroad extension from the village of Prairie du Sac to the dam site on the Wisconsin...
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.
Description: Office force and foremen pose in front of the south side of the power house at the Prairie du Sac dam.
Description: Workers pose by a piling coated with sand suspended from a crane.
Date: 1900 ca.
Description: Front view of Cummings-Cooper house with woman standing in front. House was owned in 1940 by Mrs. H.F. Leindorff. House was built in 1857.
Description: Forms have been removed, revealing the newly poured buttresses and apron. A man is pushing a cart on the elevated road.
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 foregound. Men can be seen work...
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