Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1499-R2 - Klamath Project. Wetting "M" Canal subgrade in preparation for canal lining. Dorwin Grise, Photographer", from Black Binders Digital reproduction of photograph: KP-1499-R2 - Klamath Project, Black Binders, Bureau of Reclamation