《明史·列传·卷五十八》
于谦命令加厚修筑堤坝，按里程设置亭，每亭有亭长，责令督促统率修筑维护。
谦令厚筑堤障，计里置亭，亭有长，责以督率修缮。
Yu Qian ordered the levees to be fortified and, according to mileage, there should have been a pavilion with a pavilion head, who was responsible for supervising and organizing the construction and maintenance.