Map Lovers’ Monday: An Introduction
Sewer systems, City of Philadelphia, 1927 and 1929
West Philadelphia (or 24th Ward) Water Works, 1855-1870
Early photographs of Fairmount and vicinity, 1848
Early visions of Philadelphia’s airport
Frankford Creek Watershed: A historical overview of the Philadelphia section
Report on channelization of Frankford Creek for flood control (1947)
Fishing in Philadelphia
Frankford Creek Watershed Historical Timeline
Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010