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202 have been working on this case are in town. Will that be enough?"

"There are three in the counterfeiting gang," Frank told him.

"We'll have enough. And now tell me how you found out about the old mill."

Briefly, Frank and Joe told him how their suspicions had first been aroused by the mysterious activities about the mill, how they had visited the place and found that strangers were not welcome, how they had finally resolved to investigate for themselves, and how they had that night gone to the mill and seen the counterfeiting plant in actual operation.

Their story was interrupted by the arrival of an automobile which drew up in front of the Hardy home with a squeal of brakes. A man in uniform stepped out and ran up the walk.

"Here are the officers," said Mr. Hardy. "Come along."

They left the house and met the officer on the steps. Mr. Hardy spoke to him.

"They are at the old Turner mill on Willow River," he said quietly. "I suppose you know how to get there."

"Can't say that I do," said the officer. "Not by car."

"Follow the shore road and then cut in on that deserted loop. It used to run right past the mill before the shore road was built."