Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1624 - Klamath Project. Close-up of Denison Sampler, showing bit end. Dorwin Grise, Photographer. January 20, 1948", from Black Binders Digital reproduction of photograph: KP-1624 - Klamath Project, Black Binders, Bureau of Reclamation