Records of Military Preparations, Volume 137, Geography, Part 9

...and other places, with concurrent responsibility for military agricultural colonies tuntian government-run farms for soldiers and the horse administration.

One Regional Defender for the Northern Pass, stationed at the Xuanfu garrison city, with concurrent responsibility for military preparedness.

One Military Defense Official for the Huailong region, stationed at Huailai, in charge of consolidating the Nanshan and other areas, and managing the northern and eastern routes. This position was abolished in the 45th year of the Jiajing reign, restored in the 8th year of the Wanli reign, and abolished again in the 11th year.

One Governor of the Datong region, assisting with military affairs.

One Regional Inspector for the Jibei route, managing the northern-eastern and northern-western routes, as well as twenty-three fortresses including Hunyuan, Jule, and Gaoshan. Stationed at the Datong garrison city, with concurrent responsibility for colonies and livestock.

One Military Defense Official for Yanghe, in charge of consolidating border areas, acting under the sole authority of the military headquarters.