This hill area and its off-lying islands were mapped from air photos taken by the Lars Christensen Expedition (1936-37).

Mapped from air photos taken by the Lars Christensen Expedition, 1936-37.

It was first mapped from air photos taken by the Lars Christensen Expedition (1936-37) as two islands.

Later exploration, particularly that of the Lars Christensen Expedition, 1936-37, has shown the bay to be less extensive.

The glacier was first mapped by the Lars Christensen Expedition, 1936-37, which named the island.

First mapped from air photographs by the Lars Christensen Expedition, 1936-37, and named Spjotoyskjera.

The feature was first mapped from air photos by the Lars Christensen Expedition, 1936-37.

It was first plotted from air photos taken by the Lars Christensen Expedition, 1936-37.

The group was plotted in greater detail from air photos taken by the Lars Christensen Expedition, 1936-37.

It was remapped in greater detail from air photos taken by the Lars Christensen Expedition, 1936-37.