Bridge Street Draw, construction of piers, ca. 1896
Bridge Street Draw, Cofferdam, ca 1896 [Detail]
Bridge Street Draw, southeast corner property, June 12, 1896
Bridge Street Draw, Cofferdam, ca. 1896
Bridge Street Draw. Southwest side of bridge. April 19, 1896. [Detail of people].
Bridge Street Draw. Southwest side of bridge. April 19, 1896. [Detail].
PWD water tech at the Philly Home Show, 1960 (detail)
State Street pipeline construction, 1904
Sewer construction, Rock Run, 1922