They have to keep drilling because they both are going to require financing in the not too distant future. The more gold reserves they find the more they can leverage those reserves to the financing they'll require, so that's what's driving them to explore. They'll continue to find gold on both of those properties for years to come.
As I said before, FMG's main focus right now is to secure the Springpole permitting. They want to continue to do some drilling, especially look to find more gold on the new properties around Springpole to make it more attractive and extend the mine life.