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Start Over Place Philadelphia (Pa.) Resource Type Polygon data
1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, and 2000. Angel, Shlomo, Parent, Jason, Civco, Daniel L., and Blei, Alejandro M. This polygon layer establishes the administrative boundaries of Philadelphia, Pennsylvania, United States, otherwise known as the study area. These... Lincoln Institute of Land Policy.