Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
The Water and Drainage History of Philadelphia: A seven-part course
The Water and Drainage History of Philadelphia, Part 7
Mill Creek Sewer under construction, 1883
Thomas Run sewer outlet during construction
Frankford Creek: Sad History of an Urban Stream title page
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