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52 "What do you imagine they are after, Uncle Randolph?" questioned Sam.

"I do not know, excepting it may be some mining stocks or a deed to some property. Perhaps your father will be able to explain it when he gets back."

The authorities were notified, but they failed to apprehend the men. It was learned that the boat they had used had been stolen from a point near Oak Run, and the craft was returned to its owner. That they had used the old mill for a stopping place was evidenced by the remains of numerous meals found there. The boys made a careful search of the premises, but brought noth ing to light which was of use to them.

"I wish father was home—or we knew how to reach him by telephone, or with a telegram," remarked Dick.

"Well, we can't reach him, so we'll have to be patient until he returns," answered Sam. "By the way, I wonder if his going away had anything to do with what those men were up to?"

"It might be so," returned Dick, slowly. "Both happenings are queer, to say the least."

"I wish I knew what father has in mind to do," came from Tom. "I hope we take some kind of a trip. I don't want to stick on the farm all summer."