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industrial civil engineering construction.Forth Replacement Crossing

In this sample the black marking is a result of a chemical reaction with the Sandstone

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Uploaded on April 17, 2010
Taken on April 18, 2010

industrial civil engineering construction.Forth Replacement Crossing

In this sample the black marking is a result of a chemical reaction with the Sandstone

856 views
0 faves
0 comments
Uploaded on April 17, 2010
Taken on April 18, 2010
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