Pennsylvania (Mt. Airy)
Check the map types dropdown for special historic layers!
Select base map:
For more historic maps and aerials of the Philadelphia area, visit the
Greater Philadelphia GeoHistory Network,
and also try the special map viewer.
Philadelphia Architects and Buildings |
Participating Institutions |
Website and System: Copyright © 2023 by The Athenaeum of Philadelphia.
Data and Images: Copyright © 2023 by various contributing institutions. Used by permission.
All rights reserved.