-
County
Redlining Maps from the Home Owners Loan Corporation, 1937
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Most of the text in this description originally appeared on the Mapping Inequality Website. Robert K. Nelson, LaDale Winling, Richard Marciano, Nathan Connolly, et... -
City
Aerial Photography (imagery)
City of Philadelphia —
Data includes aerial photography of the City of Philadelphia. -
City
Philadelphia Historic Maps
City of Philadelphia —
Data includes historic maps of the City of Philadelphia that are shared in Atlas.phila.gov, allowing users to switch between current imagery and historic maps.