Note 119 — Chapter XIV · COPPER By F. W. Paine
Reading edition
The Rosita mine, in Nicaragua, has 1,500,000 tons of ore blocked out, running over 5 per cent. copper. It has not been equipped.
Reading edition
The Rosita mine, in Nicaragua, has 1,500,000 tons of ore blocked out, running over 5 per cent. copper. It has not been equipped.