Down Under!
Mill Creek Sewer under construction, 1883
Fairmount Water Works, W.H. Bartlett, 1839
Centre Square Engine House, ca. 1807
Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
Bridge Street, intermediate pier, ca. 1896 [Detail]
Bridge Street Draw, intermediate pier, ca. 1896 [detail]
Bridge Street Draw, intermediate pier, ca. 1896
Bridge Street Draw, construction of piers, ca. 1896
Bridge Street Draw, Cofferdam, ca 1896 [Detail]