Porphyry Knob is a summit located in Tooele County, Utah. It appears on the Mercur USGS 7.5-minute topographic quadrangle. The nearest populated place is Mercur (historical), approximately 1.8 miles to the SSE.
Tooele County · Utah
Porphyry Knob is a summit located in Tooele County, Utah. It appears on the Mercur USGS 7.5-minute topographic quadrangle. The nearest populated place is Mercur (historical), approximately 1.8 miles to the SSE.