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Show OHIO MINE GETS MORE POPULAR. Experts from the United States Bureau of Mines will visit the Ohio Copper Mine in the near future and will make a detailed study of the Company's leaching plant. Results indicate that this Company's Com-pany's novel project, that of leaching huge low grade ore deposits de-posits in place will be a great financial success. This process may revolutionize the mining of low grade copper, especially in mines where the operating costs are so high as to make mining unprofitable. The Ohio Co. are however in a better condition to operate successfully as the whole of the plant is underground, un-derground, and the water runs into the leaching boxes from crevices on the surface. It is estimated that it will take at least twenty years to leach the whole of the property, and by that time leaching can be gone all over again, according to experts. |