Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1643-R2 - Klamath Project. Center of South Main Dike. Viewed due east. D.H. 20 on road in foreground in front of straw pile. L. H. Wollenberg, Photo. February 20, 1948", from Black Binders Digital reproduction of photograph: KP-1643-R2 - Klamath Project. Center of South Main Dike, Black Binders, Bureau of Reclamation