 
		 
		 
		Ghosts of Water in Fairmount Park, Part 1, with Adam Levine
 
		Sandy Run Watershed and the Holmesburg Water Works
 
		Birch’s Views of Philadelphia, 1800
 
		Roberts Mill, Wingohocking Creek, 1871
 
		Wingohocking Sewer across Penn St.
 
		History of Belfield (1934)
 
		Fairmount Gardens with the Schuylkill Bridge, 1839
 
		Frankford Creek: Sad History of an Urban Stream title page
 
		Second Street North from Market St. with Christ Church, Philadelphia
