The Changing Face of Pennsylvania

Related Materials

The Changing Face of Pennsylvania

Associated Resources

Aerial Photo and Data

The American Geological Institute
Provides dozens of classroom activities, ideas, materials, resources and an Earth Science Week Toolkit which includes some great aerial maps.

Pennsylvania Geologic Survey

The Geologic Survey serves the citizens of Pennsylvania by collecting, preserving, and disseminating impartial information on the Commonwealth's geology, geologic resources, and topography.


ESRI is a leading GIS & mapping software developer.

Pennsylvania Spatical Data Access (PASDA)

Pennsylvania Spatial Data Access (PASDA) is the official public access geospatial information clearinghouse for the Commonwealth of Pennsylvania. Aerial photography, topographic maps, census data,etc. is available through PASDA.

Green Map

Green Map® System promotes inclusive participation in sustainable community development worldwide, using map-making as our medium.