Contango ORE says Manh Choh is being used not just for output, but to convert precious metals production into free cash flow and growth. The strategy comes as i

Contango ORE says Manh Choh is being used not just for output, but to convert precious metals production into free cash flow and growth. The strategy comes as investors parse June-quarter results, hedge-free production and drilling at Kitsault Valley and Lucky Shot.