《徐霞客游记·滇游日记三十二》
固栋又叫谷栋，聚居的村落正当大山坞中央，东、西二江夹住它。
固栋一名谷栋，聚落当大坞中，东、西二江夹之。
Gudong is also called Gufeng. The villages are located in the center of a mountain valley, with two rivers, east and west, sandwiching it.