Sewer systems, City of Philadelphia, 1927 and 1929
Early visions of Philadelphia’s airport
Frankford Creek Watershed: A historical overview of the Philadelphia section
Drawing Dock Creek
Down Under, Part 2: Beaver Creek as it appears today
Requiem for a stream: Adams Run in Oak Lane
Requiem for a stream: Still House Run in Manayunk
Dock Creek Sewer in 1849: A report on its condition made to City Councils
High Water: Flooding in Philadelphia
Drainage and Sewerage Report, 1853