Thrall Mountain is a summit located in Pennington County, South Dakota. It appears on the Pactola Dam USGS 7.5-minute topographic quadrangle. The nearest populated place is Johnson Siding, approximately 1.0 miles to the N.
Pennington County · South Dakota
Thrall Mountain is a summit located in Pennington County, South Dakota. It appears on the Pactola Dam USGS 7.5-minute topographic quadrangle. The nearest populated place is Johnson Siding, approximately 1.0 miles to the N.