Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1934 - Klamath Project. Picture of measuring weir at outlet end of tunnel from Pumping Plant "D". Hugh Crawford inspecting gauge. Andrew M. Bergloff, Photo. March 29, 1950", from Black Binders Digital reproduction of photograph: KP-1934 - Klamath Project. Picture of measuring weir at outlet end of tunnel from Pumping Plant "D", Black Binders, Bureau of Reclamation