In order to stabilize the subgrade, pilings have been driven and a long trench is being dug through the area of unstable clay. As a portion of the trench is completed, a special concrete mixture is poured up to the red marks on the pilings (note lighter material part way back in the trench).

Photographed by Jim Wright, July 28, 2004.
Added to the photo archive by Jim Wright, July 28, 2004.
Railroad: Guilford (B&M).

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