Bridges--Design and construction

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Bridges--Design and construction

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Bridges--Design and construction

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Bridges--Design and construction

1345 Archival description results for Bridges--Design and construction

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Completing Substructure

Completing Substructure

Construction progress photograph showing the last block of masonry being put into place under the watchful eye of some well-dressed ladies, W.H. Armstrong, Robert Balfour and others

[Concrete footings and piles during the construction of the Georgia Harris Street Viaduct]

[Concrete footings and piles during the construction of the Georgia Harris Street Viaduct]

Item is a photograph. Notes written on the back include: "Georgia Harris Bridge. Photo: showing concrete Footing on top of piles driven thro: slabs & sawdust. Concrete Footing about 2 1/2 ft. in thickness cast on the top of a group of piles. Piles exposed to the weather and subjected to wet and dry conditions. These piles were afterwards covered up with a ring of concrete around them. This concrete extended down into the sawdust 3 feet and its object no doubt was simply to hide the exposed piles. HMB H.M. Burwell"

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