rocks until finally Frank caught sight of a curling column of smoke against the sky.
"Campfire," he said.
To approach this fire it was necessary for them to change their course and go up through the shrubbery toward higher ground. They moved slowly because they did not want to be seen until they had ascertained whether the strangers were friends or foes—and they were strongly suspicious that it might prove to be the latter.
A moving object ahead caught Frank's eye and he crouched down in the bushes, motioning to Joe. They peeped through the undergrowth and before them they could see a flat surface of rock in the center of which a fire had been built. Three men were about the fire. Two of these were sprawled in the grass at the verge of the rock while one was standing beside the fire stirring the contents of a pot that hung from a tripod above the blaze. It was this man that had first caught Frank's eye.
The strangers had not noticed the Hardy boys' approach.
"We'll crawl up closer," whispered Joe.
Frank nodded.
They began to make their way quietly forward through the bushes. Frank, who was in the lead, kept a wary eye for snakes and also
