Shepard does so, ignoring his own intuition, which tells him it is too late in the season to complete such a treacherous route, and decides that the only way to get to Mount Melbourne is by dog sled.
Shepard does so, ignoring his own intuition, which tells him it is too late in the season (January) to complete such a treacherous route. Worried about the snowmobiles breaking through the thinning ice or falling into a crevasse, Shepard tells Harrison and McClaren that the only way to get to Mount Melbourne is by dog sled.