Original photograph: 15 x 9 cm, black & white photo, caption under photo reads "KP-2436-R2 - ENTERPRISE POWER PLANT - Klamath Project. Forebay reinforcement and weep valve assemblies in place. L. McAnulty, Photo. March 8, 1958", from Black Binders Digital reproduction of photograph: KP-2436-R2 - ENTERPRISE POWER PLANT - Klamath Project, Black Binders, Bureau of Reclamation