Colorado home of National Mining Museum dubious about plan to ‘remine’ gold from local mine waste

The waste would be trucked to a nearby mill, crushed to powder and bathed in cyanide to extract trace amounts of precious metals.

Colorado home of National Mining Museum  dubious about plan to ‘remine’ gold from local mine waste
The waste would be trucked to a nearby mill, crushed to powder and bathed in cyanide to extract trace amounts of precious metals. Read More