Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1626 - Klamath Project. Shrinkage cracks at base of Tule Lake Main Dike near Pumping Plant No. 3 and DH-10. Dorwin Grise, Photographer. January 20, 1948", from Black Binders Digital reproduction of photograph: KP-1626 - Klamath Project, Black Binders, Bureau of Reclamation