Show ZINC IND INDUSTRY IN UTAH the zinc ore product of the park city district in utah fell off heavily in 1905 through the caving in of the ontario drain tunnel says mr charles kirchoff of the united states geological survey in a forthcoming report on the production of zinc A mill equipped with the blake electrostatic tro static separators was put into commission during 1905 at salt lake city at frisco the horn silver company shipped a considerable tonnage of zinc ore to the tola iola works there has been some talk of building a zinc works at bonneville twelve miles north of ogden |