The clear waters which had facilitated the 1926 landing were followed by years of continuous heavy ice.
It had been constructed to break through a heavy (up to 2 m thickness) ice.
But it's the first break in the heavy ice that we've had in an hour, almost.
Occasionally during the winter months the ferry may not be able to operate because of heavy ice build up on one shore or the other.
Most of the year the strait is covered with rough, heavy ice.
She had been constructed to break through heavy ice (up to 2 m in thickness).
"About the only thing that affects our operation is heavy ice," he said.
Wild still hoped to tackle the heavy ice, and if possible to break through to the hidden land beyond.
Seven's heart turned to cold and heavy ice.
We've located nine now, most under heavy ice, all under something.