Creek to Sewer: Water History Video 1
High Water: An Informal History of Flooding in Philadelphia
Rebirth of the Rivers: Water History Video 3
The Water Supply Problem of Philadelphia, 1899
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Water, Water Everywhere – Philadelphia Record, 1937-03-14
Perkiomen Water Supply Surveys, 1866
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
