《徐霞客游记·滇游日记三十八》
下午，从房屋西边下坡到峡中，一里转向北，下临峡中的水流，上方有许多危崖，藤条树枝倒覆，凿裂石崖，就有玛瑙嵌在其中了。
下午，从庐西下坡峡中，一里转北，下临峡流，上多危崖，藤树倒置，凿崖迸石，则玛瑙嵌其中焉。
In the afternoon, he went down from the west of the house to the gorge, turned north for a mile, and faced the water flow in the gorge. There were many cliffs above, and the vines and branches were upside down, splitting the cliffs, and there were agates embedded in them.