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Start Over Year 1996 Place Springfield (Ill.) 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 Springfield, Illinois, United States, otherwise known as the study area. These data... Lincoln Institute of Land Policy.