HCH doesn't have a "proven resource", there is no such...

HCH doesn't have a "proven resource", there is no such classification. HCH have Indicated and (largely) Inferred Resources and Exploration Results. They need to drill the orebodies at 40x40 m spacings (currently at best 80x80 m from memory) to get a Measured Resource which can be converted via studies and consideration of Modifying Factors to a Proven Reserve. Indicated Resources similarly convert to a Probable Reserve. Inferred Resources are low confidence and can't be included in the Reserve estimate, which the project will in time be valued on...