 
		 
		 
		Frankford Creek Watershed: A historical overview of the Philadelphia section
 
		Frankford Creek Watershed Historical Timeline
 
		Down Under III: A walk in the Dobson’s Run Storm Relief Sewer, June 15, 2010
 
		Drawing Dock Creek
 
		Down Under, Part 2: Beaver Creek as it appears today
 
		Leverington Avenue Stormwater Sewer
 
		Dock Creek Sewer in 1849: A report on its condition made to City Councils
 
		From Creek To Sewer
 
		Aramingo Canal, Then and Now
 
		Drainage and Sewerage Report, 1853
