11.   The images from the Alvin show the yellow Nautile hovering over uneven ground among clumps of brown rocky spires rising upward for one to five feet.

12.   They said the first ice sample apparently had been distorted when the bottom of the flowing glacier from which it was taken passed over uneven ground.

13.   When uneven ground or a malicious vine sent him sprawling, he would right himself, not humiliated, only vexed.