《左传·襄公·襄公二十五年》
十月初八日，蒍掩记载土泽地田的情况：度量山林的木材，聚集水泽的出产，区别高地的情况，标出盐碱地，计算水淹地。
甲午，蒍掩书土田，度山林，鸠薮泽，辨京陵，表淳卤，数疆潦，规偃豬，町原防，牧隰皋，井衍沃，量入修赋。
On October 18, Ying Ying made a record of the soil, swamps, fields, mountains, forests, timber, water areas, marshes, reeds, grass, lakes, ponds, swampy fields, pastures, salt flats, marshes, high and low lands, boundaries, slopes, and different soil conditions.