https://www.wvhistoryonview.org/catalog/030878https://www.wvhistoryonview.org/image/030878.jpgMingo Flats Historic Marker on U. S. Route 219 at Valley Head, Randolph County, W. Va.1952Historic Markers.Historical markers--West Virginia--Mingo Flats."Mingo Flats--Named for the Mingo Indians who had a village here. This tribe was a branch of the Iroquois. The Seneca Indian Trail passes this point. On Valley Mountain in 1861. Gen. Robert E. Lee camped while campaigning in this valley."West Virginia History OnView