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Photograph

Experimental 15-30 Tractor

Date: 04 04 1924
Description: Engineering photograph of an experimental McCormick-Deering 15-30 tractor taken in a factory rail yard. A man in a suit and hat is sitting at the wheel of ...
Photograph

15-30 Tractor

Date: 04 04 1924
Description: Engineering photograph of a 15-30 tractor showing the rear of the tractor with decals and stenciling visible.
Photograph

Repaired Bridge

Date: 1918
Description: View from shoreline of a reinforced railroad bridge over a river. There are stone foundations on both banks supporting the railroad bed. Wood has been stac...
Photograph

Repaired Deck Truss Bridge

Date: 1918
Description: Elevated view from steep shoreline of a railroad bridge repaired with timber stacked all the way up from the riverbed to reinforce the truss of the bridge....
Photograph

Land Survey Corners Marked

Date: 02 02 1960
Description: The Madison Redevelopment Authority joined in the city's program of locating and permanently marking land survey corners in the Madison area. Here they mar...
Photograph

Culebra Cut

Date: 03 1913
Description: An elevated view of the vast excavation of the Culebra Cut during construction of the Panama Canal. Railroad tracks and a stream are running through the cu...

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