 
		 
		 
		Frankford Creek Watershed: A historical overview of the Philadelphia section
 
		Drawing Dock Creek
 
		Sewers, Pollution, and Public Health in 19th Century Philadelphia
 
		The Water and Drainage History of Philadelphia: A seven-part course
 
		Two reports on the state of the Schuylkill River, 1867
 
		Frankford Creek: Sad History of an Urban Stream title page
