《太平广记·卷四百零一·宝二（金》
果然，挖了不到一丈深，便挖到一个瓶子，可容纳一斤左右，里边装了不少水银。
果不至丈，得一瓶，可受斛许，贮水银甚多。
Sure enough, the dig was not even one zhang deep when a bottle was found that could hold about a pound and was filled with mercury.