It was a whole day's journey from I-ch'eng to Chü-wo which, in turn, is about 60 li east of Chiang Chou — one of the most important cities in southern Shansi and a center for curio-dealers.
1927, Chi Li, “Archaeological Survey of the Fêng River Valley, Southern Shansi, China”, in Explorations and Field-work of the Smithsonian Institution in 1926 (Smithsonian Miscellaneous Collections), volume 78, number 7, Washington, D.C.: Smithsonian Institution, page 129