Boulder Hill is a summit located in Pennington County, South Dakota. It appears on the Mount Rushmore USGS 7.5-minute topographic quadrangle. The nearest populated place is Rockerville, approximately 2.0 miles to the E.
Pennington County · South Dakota
Boulder Hill is a summit located in Pennington County, South Dakota. It appears on the Mount Rushmore USGS 7.5-minute topographic quadrangle. The nearest populated place is Rockerville, approximately 2.0 miles to the E.