 
		 
		 
		PWD Celebrates Black History Month
 
		Ghosts of Water in Fairmount Park, Part II, with Adam Levine
 
		Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
 
		Main Pumping Stations for Philadelphia Drinking Water
 
		Map of Philadelphia showing Population in year 1920
 
		Outline Map of the County and City of Philadelphia and Vicinity, 1883
Philadelphia the Manufacturing and Industrial Capital map, 1906
 
		“Philadelphia Underground,” Jan. 29, 1961
 
		1779 Revolutionary War-era map of Philadelphia and environs
 
		Standard Philadelphia (B) Hydrant
