The Qing government made the Ewenki of Nen River Valley to form into the Banners and to set up assistant, managed by the Butaha Yaman.

• 清政府将嫩江流域的鄂温克族编旗设佐，由布特哈衙门管理，令他们披甲驻防、贡纳貂皮、进行渔猎牧垦。