Traveling Jumbo / Foto 1937 - Traveling Jumbo / Photo / 1937 -

5US-H12-E2-1937-1 (861329) Traveling Jumbo / Foto 1937 Horse Mesa Dam (Arizona, USA). (Staudamm des Salt River, erbaut 1924-27). - Bau des Horse Mesa Dam: 'Traveling Jumbo', Maschine zur Formung der Seitenwände von Tunneln, bei den Arbeiten am Überlauf. - Foto, 4.6.1937. E: Traveling Jumbo / Photo / 1937 Horse Mesa Dam (Arizona, USA). (dam for the Salt River, built from 1924-27). - Building Horse Mesa Dam: 'Traveling Jumbo', machinery to shape the side walls of tunnels, used here to work on the overflow basin. - Photo, 4 June 1937.