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Centre County Open Data

ArcGIS open data portal for Centre County, PA. Also contains information about departments and initiatives.

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Chester County GIS Data

ArcGIS HUB Open Data Portal for Chester County, Pennsylvania.

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Crawford County Open Data

ArcGIS open data portal for Crawford County, PA. Contains datasets and applications.

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OpenDataPhilly is a catalog of open data in the Philadelphia region. In addition to being the official open data repository for the City, it includ...

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Penn State Rare Maps

1490-1925. The Donald W. Hamer Center for Maps and Geospatial Information digital map drawer contains the subset of our physical map collection that has been ...

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Data on the Philadelphia region is plentiful. Search and find that data on Open Data PHL hosted by PHL Maps and begin transforming your city. Here ...

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Sanborn Maps

1884-1938. This collection contains a nearly complete set of the Sanborn Fire Insurance Maps of Pennsylvania (1884 – 1938).

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York County, PA GIS Open Data Portal

2003-2019. York County Planning Commission (YCPC). The York County, PA GIS Open Data Portal provides access to a large collection of downloadable geospatial datasets, webmapping services, and apps. ...