Bonanza Gets Support of Copperstone’s New Mine Plans
The US Department of the Interior's Bureau of Land Management has accepted American Bonanza Gold's plan to restart the Copperstone mine. Bonanza says it wants to conduct underground mining of high-grade gold mineralisation from the earlier open pit surface mining. The Coppersto
The US Department of the Interior’s Bureau of Land Management has accepted American Bonanza Gold’s plan to restart the Copperstone mine.
Bonanza says it wants to conduct underground mining of high-grade gold mineralisation from the earlier open pit surface mining.
The Copperstone property, in a gold province in western Arizona, generated one-half million ounces of gold during 1987-1993.