‘ice-pack’ historical pictures (exact matches)

The approach to the pack-ice
The approach to the pack-ice
Atomic submarine under the ice
Atomic submarine under the ice
The Arctic Regions: No 92
The Arctic Regions: No 92
Crossing a Heavy Ice-Pack at the Head of Wellington Channel
Crossing a Heavy Ice-Pack at the Head of Wellington Channel
Man offering advice to his sick friend
Man offering advice to his sick friend
Heads poking through the ice
Heads poking through the ice
Men and Machines: Conqueror of the Frozen Seas
Men and Machines: Conqueror of the Frozen Seas
Oil Rush!
Oil Rush!