National Geographic : 1939 Feb
THE THAMES, ENGLAND'S GATEWAY TO THE WORLD AMPLE BOATING WATER IS HELD IN UPPER THAMES BY 49 LOCKS AND DAMS Were such barriers as this at Goring swept away, the river, from Oxford down to London's outskirts, would fall so fast that boat traffic would be difficult. () National C(eographic society Sinlay Photographs by ii. Anthony Stewart SWANS ADD CHARM TO RIVERS, BUT SOME ARE VICIOUS AND ATTACK HUMANS Males, in breeding time, have inflicted painful injuries on both adults and children, by pinching with beaks and pounding with their strong wing bones. All Thames swans are "upped" (caught) and marked each summer. By tradition, they belong mostly to the King; all others, to the Vintners' and Dyers' Companies. Girls are feeding a swan family near Walton.