《徐霞客游记·黔游日记六》
又往西北二里，向西南二里，顺山坡一直下坠二里路，沿山岭往西转了一里路，这是纳溪铺；从北边山崖往南坠山而下，虽然下走的路程已很多，可仍然在土山的山脊上。
又西北二里，西南二里，直坠坡而下者二里，缘岭西转者一里，是为纳溪铺；盖在北崖南坠之下，虽所下已多，而犹然土山之脊也。
Two more li to the northwest, two southwest, straight down the mountain slope for two li, and then a western turn following the mountain ridge for one li - this is Naxipu. From the northern precipice downwards, the descent is long, yet still upon the mountain ridge.