Porphyry Gulch is a valley located in Blaine County, Montana. It appears on the Zortman USGS 7.5-minute topographic quadrangle. The nearest populated place is Lodge Pole, approximately 3.6 miles to the N.
Blaine County · Montana
Porphyry Gulch is a valley located in Blaine County, Montana. It appears on the Zortman USGS 7.5-minute topographic quadrangle. The nearest populated place is Lodge Pole, approximately 3.6 miles to the N.