《北史·本记·卷一》
秋七月初九，在牛川大猎，登上釜山，到殷繁水，南行观看了九十九泉。
秋七月甲申，大狝于牛川，登釜山，临殷繁水，南观于九十九泉。
In the early ninth day of the seventh lunar month of the autumn, there was a grand hunting event in Niuchuan, ascended Busan, to Yinfan River, watched the ninety-nine springs while traveling southward.