The Vista Coal Project has a JORC and NI 43-101 compliant Recoverable Coal Reserve of 565.5 million tonnes.

JORC / NI 43-101 Coal Reserves
Resource Classification Recoverable Coal ReservesMarketable Coal Reserves
Proven (Mt)Probable (Mt) Proven & Probable (Mt) Proven (Mt)Probable (Mt) Proven & Probable (Mt)
Export Product 429.3 45.9 475.2 248.5 26.5 275.0
Domestic Product 74.4 16.0 93.0 31.5 6.9 38.4
Coalspur Total Reserves 503.7 61.8 565.5 280.0 33.3 313.4