Treatise on Military Preparedness (Vol. 98)

...fall within the jurisdiction of the Jianghuai Patrol Inspection Office, while the land routes and villages of the entire county fall under the jurisdiction of the county’s Patrol Officer. The Patrol Inspector and the Patrol Officer for the county seat shall coordinate their defense efforts and mutually assist each other in the deployment of forces.

Regarding the Patrol Officer and the dian-shi Records Clerk of Liuhe County: under their administration is the Guabu Patrol Inspection Office, which has one patrol inspector, forty-five archers, one assistant guard elder, thirty-five militia members, and one patrol boat. The jurisdiction extends twenty li upstream to Tangjiadu and twenty li downstream to Xigou. The county is located north of the river, with the southeast connecting to the river. The land route to the Guabu Patrol Inspection Office is twenty-five li. It is allotted one patrol inspector, forty-five archers, and one newly added assistant guard elder for this county to supervise the militia.