1. Photo 297/1(39) Reference (shelfmark): Photo 297/1(39) Title: 'Pitched channel' of Upper Swat Canal, near Dargai Nullah, under contruction. Photographer: Unknown Scope & Content: Genre: Landscape Photography Subjects = canal building; civil engineering Location = North-West Frontier Province; Pakistan; Swat Valley Collection Area: Visual Arts Languages: Not applicable Date Range: c 1911 Extent: 1 item