1. Customs Service. List of customs districts, headquarters, and ports of entry; [Ports, revision of lists of ports at which bonded warehouses are established and of ports at which no bonded warehouse of class 3 is established but where customhouse premises are used for storage of bonded merchandise]. Bookmark Corporate/Agency Authors: Customs Bureau and Treasury Department Publisher: Customs Bureau Date: [1928.] SuDoc number: T 1.11/2a:C 96/8/928