"You'll find out if you try to cross him.

Are you visiting the camp ?" "Reade! Hazelton!" called a voice brusquely from the big tent.
"That's Mr.Thurston calling us, I guess," said Tom quickly.
"We'll have to excuse ourselves and go and report to him." "Yes, that was Thurston," nodded the slim man.

"And I'm Blaisdell, the assistant engineer.

I'll go along with you." Throwing aside the canvas flap, Mr.Blaisdell led the boys inside the big tent.

At one end a portion of the tent was curtained off, and this was presumably the chief engineer's bedroom.