Grenville Adds 31 New Mineral Concessions to Silveria and Now Has 2797 Ha of Mineral Titles Over Four Former Silver Mines
July 19th, 2007… its overall corporate strategy of controlling both the mountain ridges and valley where the four former mines are located,” stated A. … as other mountain and valley mineral occurrences such as Toromocho, owned by Peru Copper and Morococho, owned by Pan American Silver, …