Original photograph: 13 x 18 cm, black & white photo, caption under photo reads "KP-1798-R2. Pumping Plant "D" Enlargement. Setting two half-sections of 36-inch diameter discharge pipe inside barrel forms. C. O. Wamstad, Photo. June 3, 1949", from Black Binders Digital reproduction of photograph: KP-1798-R2. Pumping Plant "D" Enlargement, Black Binders, Bureau of Reclamation