 
		 
		 
		Map Lovers’ Monday: Schuylkill River from Wissahickon Creek to Norristown, 1913
 
		Frankford Creek Watershed: A historical overview of the Philadelphia section
 
		Report on channelization of Frankford Creek for flood control (1947)
 
		Frankford Creek Watershed Historical Timeline
 
		Drawing Dock Creek
 
		Overbrook, as it was. A brief history of the Overbrook neighborhood of Philadelphia, focusing on changes in the natural landscape.
 
		Leverington Avenue Stormwater Sewer
 
		Cobbs Creek: A Brief Historical Overview by Adam Levine
 
		Manayunk and the Schuylkill Navigation
