《元史·本纪·卷十》
十三日，把乌蒙路隶属于云南行中书省，并下诏晓谕乌蒙路总管阿牟，设置驿站，整修道路，所有的事务全部听由行中书省平章政事赛典赤节制。
乙未，以乌蒙路隶云南行省，仍诏谕乌蒙路总管阿牟，置立站驿，修治道路，其一应事务并听行省平章赛典赤节制。
On the thirteenth day, Wumeng County was subordinated to the Yunnan Administrative Secretariat, and a decree was issued to inform Amu, the Commander of Wumeng County, to set up post stations and repair roads, and all matters were under the control of Saidianchijie, the Commissioner for Political Affairs of the Administrative Secretariat.