These particulars concerning the Jo-ch'iang are mostly stated in the main account:...The fact of bordering on Cer-cen and its southern neighbour may imply that the later Vāshshahri, between Charkhlik and Cer-cen, was originally a Jo-ch'iang station. The extension of the Jo-ch'iang along the whole hinterland south of the mountains is displayed in old Chinese maps also and in that accompnaying Professor Herrmann's Die Seidenstrassen.