There was a car standing on the ridge toward which he was laboriously making his way.

It did not occur to Casey that morning might show him a rather desperate plight.
Yet the morning did just that.

Hours before dawn the light had disappeared abruptly, but Casey had no uneasiness over that.

It was foolish for them to run down their battery burning lights when they were standing still, he thought.

They had not moved off, and he had well in mind the contour of the ridge where they were standing.