Calumet Ridge is a ridge located in Pennington County, South Dakota. It appears on the Mount Rushmore USGS 7.5-minute topographic quadrangle. The nearest populated place is Sheridan (historical), approximately 1.6 miles to the NW.
Pennington County · South Dakota
Calumet Ridge is a ridge located in Pennington County, South Dakota. It appears on the Mount Rushmore USGS 7.5-minute topographic quadrangle. The nearest populated place is Sheridan (historical), approximately 1.6 miles to the NW.