ferry crossing

For about 5 months of the year, the Yukon River at Dawson can be crossed using the small ferry that runs 24hrs/day during most of the summer. In winter, the river freezes hard enough to allow an ice bridge to be built. But in between these two seasons are the interim seasons of "freeze-up" and "break-up" – each one lasting 1-2 weeks when crossing the river becomes impossible. Dawsonites have to decide in advance which side of the river to be stranded on until the river settles into its next long season...