This file provides the data and code needed to reproduce figures 1, 2, and 3 in the following article:
Smith, Michael E., José Lobo, Matthew A. Peeples, Abigail M. York, Benjamin W. Stanley, Katherine A. Crawford, Nicolas Gauthier, and Angela C. Huster. 2021 The persistence of ancient settlements and urban sustainability. Proceedings of the National Academy of Sciences 118(20):e2018155118.
The additional supplementary materials from the article are also posted here as a PDF document pnas.2018155118.sapp.pdf