"Customs duty" Quotes from Famous Books
 ... thinking of a way in which he could let the old timer know that they were not merely adventurous, inquisitive boys, he decided to reveal to George Washington Dudley the fact that they were members of the Forest Ranger Service, but to keep a secret the fact that they were also on Customs duty. ...
— The Ranger Boys and the Border Smugglers • Claude A. Labelle |
