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Assemblage of plant remains from the Zhiwuyuan site. (A) Proportions of different plant remains of the Early Xuntangpu phase and Zhiwuyuan phase from Zone A and B, (B) proportions of different types of rice remains of the Early Xuntangpu phase from Zone A, and (C) proportions of different kinds of foxtail millet remains of the Early Xuntangpu phase from Zone A.
