《宋史·本纪·卷一》
初十，晋州神山县山谷水中流出铁块，方圆二丈三尺，重七千斤。
辛未，晋州神山县谷水泛出铁，方圆二丈三尺，重七千斤。
On the 10th day, an iron block, measuring 20ft in diameter and 7,000 pounds in weight, flowed out of the water in a valley on Mt. Shen, Jinzhou.