《徐霞客游记·黔游日记六》
有几户人家背靠西山挡在山坳之间，设了巡检司以便稽查。
有数家倚西山而当其坳，设巡司以稽察焉。
There were several households that leaned against the West Mountain and blocked the gap between the mountains, they established a patrol inspectorate in order to investigate.