This big wheel sits in the middle of a field in Bodie. some sort of bullwheel for a cable system for moving ore?
From Ghost Towns
Bodie Ore Wagon
They came for the ore
The reason they were here
Pumice Mine on the Island of Lipari
One of the great pumice deposits of the world is also conveniently located right next to where transport can arrive to collect at the mediterranean island off the coast of siciliy
From Aeolian Islands