H.J.Owens did not say anything, either.

He kept scanning each jagged peak and each gloomy canyon as they passed, and he seemed uneasy about something.

The Kid knew what it was, all right; H.J.Owens was lost.
They came to a wide, flat-bottomed coulee with high ragged bluffs shutting it in upon every side.

The Kid dimly remembered that coulee, because that was where Andy got down to tighten the cinch on Miss Allen's horse, and looked up at her the way Daddy Chip looked at Doctor Dell sometimes, and made a kiss with his lips--and got called down for it, too.

The Kid remembered.
He looked at the man, shut his mouth tight and wheeled Silver suddenly to the left.