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Photograph

Excavating in West End of Power House Coffer Dam

Date: 07 25 1912
Description: A boy posing in the excavation site for the power house within the coffer dam. He is standing on the narrow gauge tracks; the high trestle is in the backgr...
Photograph

Northeast View of Power House Coffer Dam at Power Dam

Date: 08 07 1912
Description: Men excavating within the coffer dam. One man is standing on a high piling. Several steam engines at work fill the air with smoke. The high trestle and fou...
Photograph

Dining Hall at Power Dam Camp

Date: 08 18 1912
Description: Eight cooks posing inside the dining hall. Long tables are set for a meal.
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

Chattanooga Plow Works Exterior

Date: 1919
Description: Exterior view from street of the Chattanooga Plow Works. Lettering on the building reads "Chattanooga Plow Company." The photograph was likely taken around...
Photograph

Concrete Mixers and Hoisting Crane, East End of Power Dam

Date: 10 17 1912
Description: Concrete plant at east end of the dam, showing the mixers, crane, and a rail car at the abutment.
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

General View of Power House Coffer Dam at Power Dam

Date: 11 21 1912
Description: Elevated view of the progress of construction within the coffer dam showing the gate guides and draft tubes in place. Concrete forms and chutes, as well as...
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

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

Pile Coated with Sand at Power Dam

Date: 03 11 1913
Description: Workers posing by a piling coated with sand suspended from a crane.
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

Electric Cars at Power Dam

Date: 04 07 1913
Description: Five men, two well-dressed, posing on electric rail cars during construction of the dam.
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

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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