Can't help comparing the new deeper Voisey to Eagle's Nest.  This is a good summary article of the upcoming deep Voisey....

https://theogm.com/2018/07/09/voiseys-bay-project-update-opportunities/

13 years later the Voisey’s Bay mine has proven to be worthy of additional delineation below ground and on June 11, 2018, Premier of the province of Newfoundland and Labrador, Dwight Ball announced that Vale is moving forward with its underground mine at Voisey’s Bay which will extend the overall life of the project by at least 15 more years.

Exploration around the Ovoid Deposit of the Voisey’s Bay has identified two significant finds; the Reid Brook and Eastern Deeps which are located between 200 m to 900 m underground. The construction phase, necessary to build the mine and access the deposits underground is now sanctioned and will bring first ore to surface in 2021. The mine will be producing until 2034.

Over the five-year construction phase of the underground mine, more than 16,000 person-years of employment will be created. The new underground mine requires a capital investment of $2.2 billion in project construction expenditures....

Voisey’s Bay has total estimated mineral reserves of 32.4 million tonnes with a nickel grade of 2.13% and a cobalt grade of 0.13%.

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Compare this to Eagles Nest....

The mine currently has over 20 million tonnes of measured, indicated and inferred resources containing high-grade nickel mineralization with significant copper, palladium and platinum content. See Mineral Reserves & Resources Chart.