Murphy Ridge is a ridge located in Pennington County, South Dakota. It appears on the Hermosa NW USGS 7.5-minute topographic quadrangle. The nearest populated place is Ajax, approximately 3.0 miles to the E.
Pennington County · South Dakota
Murphy Ridge is a ridge located in Pennington County, South Dakota. It appears on the Hermosa NW USGS 7.5-minute topographic quadrangle. The nearest populated place is Ajax, approximately 3.0 miles to the E.