《元史·列传·卷五十七》
大德元年，黄河在蒲口决堤，朝廷令尚文巡视灾区并提出治水救灾良策。
大德元年，河决蒲口，台檄令文按视防河之策。
In the first year of the Dade era, the Yellow River burst its banks at Pukou. The emperor ordered Shangwen to inspect the disaster area and propose good strategies to control the flooding and help with disaster relief.