Central Subway
Central Subway
130725_1067_ums
A combination auger/rotator used to excavate and build secant pile shafts at the future Union Square/Market Street Station site.
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Uploaded on February 4, 2014
Taken on July 25, 2013
130725_1067_ums
A combination auger/rotator used to excavate and build secant pile shafts at the future Union Square/Market Street Station site.
756
views
0
faves
0
comments
Uploaded on February 4, 2014
Taken on July 25, 2013