and presented it as a GoogleMap overlay, in association with a larger project on Hartford’s historical social geography. -Amy Hillier and the University of Pennsylvania have digitized HOLC maps ...

The New Jersey earthquake Friday morning was just the latest of many to be felt in Pennsylvania over the years. While it was one of the strongest quakes on record for the region, many others go ...

The Historical Society of Pennsylvania collects and shares stories of the peoples of Pennsylvania and their contributions to American history. Founded in 1824 in Philadelphia, HSP is one of the oldest ...

About the book: This book illustrates the first connection between the map user community and the developers of digital map processing technologies by providing several applications, challenges, and ...