Map Lovers’ Monday: Philadelphia Geology, 1881
High Water: An Informal History of Flooding in Philadelphia
MEET YOUR ENEMY: THE RAT
High Water: Flooding in Philadelphia
Native American Heritage Day
The Water and Drainage History of Philadelphia: A seven-part course
Watersheds: Learning to care for and protect our local water resources
Streams, islands, and ferries of early Philadelphia
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
PWD’s Lance Butler with an invasive flathead catfish
