Fig. 2: Location of (left) major navigable rivers and pine and bamboo forests and (right) Ming Courier Stations and Route, and the Grand Canal.
From: Long-term impacts of historical education policy on wages in China: insights on over-education
Source: (1) Chen et al. (2022), (2) https://worldmap.harvard.edu/maps/china-history/Kkj (The Chinese Late Ming Dynasty Courier Route System).
