Mining: Not Golden

The Manhattan Minerals plan looks like a good deal for the folks of Tambogrande, Peru. The Vancouver-based firm wants to invest $405 million to mine gold at Tambogrande, a town of 16,000 people in Peru's impoverished, northwest Piura state. Manhattan has promised to build new public infrastructure and to erect new, modern homes for any relocated residents--about a third of the town's population. The neighborhood would have electricity, potable running water, sewerage and paved streets--amenities now available to only 15% of the people in that area.

But Tambogrande seems to want none of it. Although two-thirds of the people in Piura...