The top documents tagged [completed masonry portal]

1 Dennis L. Edwards Tunnel Constructability Review February 5, 2010 East Portal looking west circa 1940 East Portal looking west circa 2001 Nathan K. Potter,

1 Dennis L. Edwards Tunnel Constructability Review February 5, 2010 East Portal looking west circa 1940 East Portal looking west circa 2001 Nathan K. Potter,

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