Midway of the arc, she saw something that was more than suspicious; it was out-and-out mysterious.
She saw something--what it was she could not guess--moving slowly in the direction of Sinkhole Camp,--something wide and queer looking, with a horseman on either side and with a team pulling.

Here again the distance was too great to reveal details.

She strained her eyes, changed the focus hopefully, blurred the image, and slowly turned the little focusing wheel back again.

She had just one more clear glimpse of the thing before it, too, disappeared.
Mary V waited and waited, and watched the place.

If it was crossing a gully, it would climb out again, of course.