Crossword from Halley Bay

As promised, here's a close-up of the crossword featured in the latest Objectivity video.

It was made from scientists staying in Antarctica on the a Royal Society Halley Bay expedition. Magga Dan was the ship they travelled on.

We do not vouch for the hand-written answers already included. They were already written on our copy...  It has been suggested by a viewer that at least one may be wrong?