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Photograph

Construction Worker

Date: 1969
Description: Construction worker at the World Trade Center.
Photograph

Construction Workers and Supplies

Date: 1969
Description: Several construction workers at World Trade Center construction site.
Photograph

Construction Worker Talking on Telephone

Date: 1969
Description: Construction worker talking in a telephone booth.
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 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.
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...
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

First Story of Generator Room of Power House at Power Dam

Date: 05 17 1913
Description: Progress on the power house construction, with the east portion of the wall complete, and men working on forms for the rest of the wall.
Photograph

Pen Stock Roof in Power House at Power Dam

Date: 05 28 1913
Description: Workmen on temporary walkways among reinforcing bars on the roof of the power house.
Photograph

Downstream Side of Power House

Date: 07 29 1913
Description: A view of the power house from the southwest, showing bricklayers and other workers. The narrow gauge railroad is in the foreground.
Photograph

Roof Trusses on Power House

Date: 10 10 1913
Description: Workers posing with roof trusses on the power house, 85 feet above the water level at the Prairie du Sac Dam. Note the brickwork in progress.
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

Field Organization at Power Dam

Date: 02 28 1914
Description: Group portrait of workers assembled with construction materials south of the power dam at Prairie du Sac. Three men in suits are on the right. The smokesta...
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

Office Force and Foremen

Date: 03 12 1914
Description: Office force and foremen posing in front of the south side of the power house at the Prairie du Sac dam.
Photograph

Office Force and Foremen

Date: 03 12 1914
Description: The office force and foremen posing before the south facade of the power house at the Prairie du Sac dam.
Photograph

General View of Power House and Dam

Date: 10 11 1914
Description: Elevated view looking east across the power house, lock, and uncompleted portion of the dam. The concrete plant is seen on the far bank. The rising water o...

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