The court ruling reaffirmed that the crown (provincial government) owns and controls all surface rights (including aggregate) and NOT (KWG) the mineral claim holder. Any party can apply for surface rights (road, rail, etc) and the government would make the decision to approve it or not.
Before the government makes an easement decision, FN support would have to be achieved, an EA completed and proof of ability to complete the project including financial ability demonstrated.
The challenge of multiple surface easements is that the first project potentially constrains the second and so on. It can be done but the first approved project has the advantage.
... Been There