How many places are named Porphyry Knob?
There is one place in the world named Porphyry Knob!
Porphyry Knob can be found in 1 country.
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Cities named Porphyry Knob: to select only cities, choose "Cities".
There is one place called Porphyry Knob in the world.Number of places named Porphyry Knob per country:
There is one place named Porphyry Knob in America.
| Cities named Porphyry Knob in America. |  |
|---|---|
| Porphyry Knob - Utah | |