This wall and slope were the first two steps down the long stairway of the Grand Canyon, and they towered over me, straight up a half-mile in dizzy height.

To think of climbing it took my breath away.
Then again Sounder's bay floated distinctly to me, but it seemed to come from a different point.

I turned my ear to the wind, and in the succeeding moments I was more and more baffled.

One bay sounded from below and next from far to the right; another from the left.

I could not distinguish voice from echo.