This polygon shapefile represents provincial boundaries of China in 1820. This layer was created as part of the Grave Reform in Modern China project, a digital humanities initiative based at Stanford that is building an interactive spatial and textual analysis platform to examine the phenomenon of grave relocation in modern China. Snyder-Reinke, J. (2018). Provincial Boundaries, China, 1820. Stanford University. Center for Interdisciplinary Research. Available at: http://purl.stanford.edu/wd799pc4692. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.