DiamondJoe,
I have no doubts. It's big, It's world class. A Tier 1 asset.
The Russian C1 and C2 figures will be accurate. Certainly the JORC will have those as the minimum IMO.
That's circa 1.4 million tonnes of copper in the ground. Have a look at what SFR have at De Grussa. Market cap is $1 billion and their deposit is much smaller compared to Yellowstone.