Thorn Hollow Grade is a slope located in Umatilla County, Oregon. It appears on the Thorn Hollow USGS 7.5-minute topographic quadrangle. The nearest populated place is Gibbon, approximately 4.2 miles to the E.
Umatilla County · Oregon
Thorn Hollow Grade is a slope located in Umatilla County, Oregon. It appears on the Thorn Hollow USGS 7.5-minute topographic quadrangle. The nearest populated place is Gibbon, approximately 4.2 miles to the E.