Blackburn Knob is a summit located in Grayson County, Virginia. It appears on the Grassy Creek USGS 7.5-minute topographic quadrangle. The nearest populated place is Rugby, approximately 1.5 miles to the NW.
Grayson County · Virginia
Blackburn Knob is a summit located in Grayson County, Virginia. It appears on the Grassy Creek USGS 7.5-minute topographic quadrangle. The nearest populated place is Rugby, approximately 1.5 miles to the NW.