Close looking showed the incision and there still remained some loose soil about the roots of the grass at one side, although the men had evidently striven carefully to hide all traces of their undertaking.
In a moment the turf was once more up and the spades were plunging into the loosened soil beneath.

Clint and Amy watched excitedly.

Presently one of the officers stopped digging, since there was now only room for one spade in the excavation.

Once there was an expectant pause while the digger reached in with his hands and grubbed in the moist red gravel.
But it was only a stone he pulled out.
The hole was down almost two feet now and the Chief was beginning to frown anxiously.

"They made a good job of it," he growled.