18 FOREIGN TRADE ZONES are established, each of which is carefully guarded. Free zones are often so located as to require vigilant guarding on the water side, as at Hamburg. In addition to the customs guards stationed at the en- trances and on the water boundaries, there are also local police or guards employed within the free port who cooperate with the customs guards. Copenhagen employs a night watch of 8 men in addition to the cus- toms guards, the number of the latter not being of record in available data. At Malmo there are 22 guards and at Stockholm about 20. At Gothenburg there are 22 guards on duty, while the free port of Bremen is guarded by 100 men of the Sicherheitspolizei (safety police), who do patrol duty on the docks, day and night. In addition to these, there are 15 night watchmen on duty for the sheds. The gates are controlled by customs officers, who examine everybody leaving the free port. The gates of the free port of Emden are controlled by cus- toms officers, and everyone leaving the port must be searched. There are 30 men of the Reiche Wasserschutz stationed day and night in the harbor, doing patrol service on the docks as well as on the water. There are also four night watchmen on duty for the sheds. At Flens- burg the free harbor does not keep any special guards, but the city police are detailed to guard the port. The free harbor at Kiel is policed by the personnel of the Reiche Wasserschutz, assisted by the customs officials. In the free zone at Stettin there are three entrances at which customs guards are stationed, with guards at other points in the free area and patrols along the boundaries. There are no figures available to show the number of these guards. There are no special guards kept in the free harbor of Cuxhaven, but it is policed by the city police. Bremerhaven is patrolled and guarded by 100 customs officials and 30 police officers. Genoa has 21 guards and Leghorn about 20. At Trieste there are 500 private guards in addition to the customs officers and police executives, and at Sulina there are about 130 frontier guards. In the Greek free zone at Saloniki there are 65 guards in addition to the customs guards, and in the Yugoslav free zone there are 5 customs guards. At Fiume, in addition to the customhouse guards, there are guards employed by private concerns, the Royal Cara- binieri, the Fascist railroad militia, and police agents. Customs con- trol at Almeria, Spain, is exercised by an inspector and three or four customs guards. Only three guards are required at Bilbao. Spain. RUNKERING The ports upon which data are given in part 2 of this report are only those ports mentioned as having either coal or oil bunkering facili- ies. The free port of Copenhagen has facilities for handling and bunkering both coal and oil. On the north side of the middle basin