 
		 
		 
		Frankford Creek Watershed Historical Timeline
 
		Frankford Creek Watershed in the context of the development of Philadelphia’s sewers and sewage treatment system
 
		Two Frankford Creek Bridges, 1896-1899
 
		1882 Report from the Army Corps of Engineers on Navigation in Frankford Creek, Philadelphia
 
		Frankford Creek: Sad History of an Urban Stream title page
 
		Logan Demanding Flood Relief, 8/18/38
 
		Sewer Demand Taken to City Hall, 7/25/32
 
		Wood truss drawbridge, Orthodox Street over Frankford Creek, 1899 [Detail]
 
		Wood truss drawbridge, Orthodox Street over Frankford Creek, rebuilt 1899
 
		Bridge Street Draw, view through bridge, July 26, 1897
