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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

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

Dredge Winneconne

Date: 
Description: View across water of the dredge "Winneconne" on the Fox River canal. Although undated the photograph was probably taken during the 1940s. The "Winneconne"...
Photograph

Construction Work on the New Free Bridge

Date: 1931
Description: View from shoreline of a crane lifting machinery to workers at the top of the bridge during construction. Words on the crane reads, "Stevens Brothers and S...
Photograph

Walking Land Dredge

Date: 1920
Description: Mobile “walking” land dredge. A few men in work clothes stand posing at the front of the dredge, and four other men wearing suits pose in the suspended dre...
Photograph

Steam Dredge at Hatfield Dam Construction Site

Date: 1907
Description: Elevated view of a steam dredge at the construction site of a dam on a river. Identified as the construction of the Hatfield dam in 1907.
Photograph

Steam Dredge at the Hatfield Dam Construction Site

Date: 1907
Description: View of a steam dredge at the construction site of a dam on a river. Identified as the construction of the Hatfield dam in 1907.
Photograph

Steam Dredge at the Hatfield Dam Construction Site

Date: 1907
Description: A steam dredge at the construction site of a dam on a river. Identified as the construction of a canal at the Hatfield dam construction in 1907.
Photograph

Walking Dredge in a Cranberry Marsh

Date: 
Description: View across field towards children posing standing on a walking dredge in a cranberry marsh. Probably the walking dredge at Gebhardt Marsh mentioned in the...
Photograph

Walking Dredge in a Cranberry Marsh

Date: 
Description: A walking dredge in action in a cranberry marsh. Probably the walking dredge at Gebhardt Marsh mentioned in the obituary of C.J. Van Schaick, and in the Ba...
Photograph

Walking Dredge in a Cranberry Marsh

Date: 
Description: A walking dredge in action in a cranberry marsh. Probably the walking dredge at Gebhardt Marsh mentioned in the obituary of C.J. Van Schaick, and in the Ba...

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