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Photograph

Construction of Power Engine and Boilers at Prairie du Sac Dam Site

Date: 06 1911
Description: Workmen pose during construction of the temporary steam power plant at the Prairie du Sac dam. These engines provided electric power for the construction ...
Photograph

Big Boiler and Engine to Run Centrifugal Pump

Date: 07 16 1912
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.
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

Construction Workers at Dam Construction Site

Date: 1915
Description: Elevated view of a group of workers posing on the east bank of the Wisconsin River at the power dam construction site. One man is strumming his shovel like...
Photograph

Man Running Machinery

Date: 1915
Description: A worker standing at the controls of a generator, most likely in the temporary power house at the Prairie du Sac dam site. The steam driven generator produ...
Photograph

Two Boilers on Board Rail Cars

Date: 04 22 1911
Description: Two men and a boy are posing on rail cars carrying two 150 horse-power boilers for use in the temporary power plant at the dam construction site at Prairie...
Photograph

Crane Hoisting Gravel into Concrete Mixer

Date: 05 31 1912
Description: Workers maneuvering 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.
Photograph

Interior of West Shore Coffer Dam

Date: 07 16 1912
Description: Workers posing inside the coffer dam. The narrow gauge railroad is behind them. One of the pile drivers is in the background. A bare area on the bluff in t...
Photograph

Conduits for Switchboard in Power House

Date: 07 02 1913
Description: Workers pause while installing a maze of conduit for the switchboard in the power house. The construction camp is to the left.
Postcard

Driving Sheet Piling at Power Dam

Date: 05 28 1911
Description: Men posing on a barge carrying a steam powered pile driver at work on the coffer dam for the construction of the powerhouse. Caption reads: "Driving Sheet ...
Photograph

Fishing Boat Interior

Date: 1938
Description: Interior view of a fishing boat powered by an International PD-40 power unit and owned by Julius Dettloff. A man stands at the boat's wheel.
Photograph

Suction Dredge with Power Unit

Date: 06 29 1938
Description: A man operates an International PD-80 power unit mounted on a suction dredge for sand and gravel. The power unit is owned by Roy Deringer of Ithaca, Michig...
Photograph

Ferry Dock

Date: 1938
Description: A man stands holding a rope on an auto ferry dock. The ferry was powered by an International P-12 power unit and provided transportation to Ridge Island. A...
Photograph

Power Unit Operating Water Well

Date: 09 17 1937
Description: A.C. White, contractor, stands near a rotary water well rig powered by an International P-12 power unit mounted on a truck.

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