Show ARIZONA the united verde copper company jerome has relinquished linquish ed its option on the mammoth and collins mines mammoth arizona and has moved the equipment back to jerome W L B jenney an engineer for the american smelt ing and refining company has been in the patagonia district for several days looking over the mining properties to ascertain the amount of lead zinc ores possible of development the A S R has been contemplating the erection of a custom lead zinc mill at el paso and this trip of inspection spec tion is a portion of the general investigation being conducted |