Zheng-tong: Year 7, Month 5, Day 25
2 Jul 1442
Ding Xuan, vice censor-in-chief of the right, advised; "Jin-chi is in the extreme South-west. During the Hong-wu reign (1368-98), over 20,000 Han troops were stationed on guard there, together with more than 1,000 Bo native troops. Now most of them have absconded. There are only 3,000 Han troops and 600 native troops remaining. Imperial orders should be sent to the judicial offices, requiring them to send all the serious offenders who have been spared the death sentence to Jin-chi as soldiers...."
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 26, page 1870/71