I'll start. It's an excellent question.
In the examples we gave we tried to highlight the fact that there had not been exploration in these areas. We obviously felt there was sufficient information on these three examples where the risk was less risky. Industry then went in and did some exploration.
We're in year four of a five-year program. We are in the process of evaluating the uptake. I may be wrong, but I don't imagine that every one of these areas will have a rapid uptake.
On the logistics of working in the north, unlike the south, there are no roads. You can't drive to these places. You organize the logistics to get to these places, recognizing that you're working against mother nature all the time and recognizing that it's dark for six months of the year in many of these places.