Porphyry Reef is a ridge located in Teton County, Montana. It appears on the Porphyry Reef USGS 7.5-minute topographic quadrangle. The nearest populated place is Blackleaf, approximately 16.6 miles to the ENE.
Teton County · Montana
Porphyry Reef is a ridge located in Teton County, Montana. It appears on the Porphyry Reef USGS 7.5-minute topographic quadrangle. The nearest populated place is Blackleaf, approximately 16.6 miles to the ENE.